diff --git a/app/Http/Controllers/AccountController.php b/app/Http/Controllers/AccountController.php
index 91190bb2db15..cac67e2c27dd 100644
--- a/app/Http/Controllers/AccountController.php
+++ b/app/Http/Controllers/AccountController.php
@@ -125,7 +125,7 @@ class AccountController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Company User response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyUser"),
diff --git a/app/Http/Controllers/ActivityController.php b/app/Http/Controllers/ActivityController.php
index 0a23c3bdfaaf..f008681254b7 100644
--- a/app/Http/Controllers/ActivityController.php
+++ b/app/Http/Controllers/ActivityController.php
@@ -52,7 +52,7 @@ class ActivityController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of actvities",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Activity"),
diff --git a/app/Http/Controllers/Auth/ForgotPasswordController.php b/app/Http/Controllers/Auth/ForgotPasswordController.php
index 9374f6a46ec3..7b4f9ad17462 100644
--- a/app/Http/Controllers/Auth/ForgotPasswordController.php
+++ b/app/Http/Controllers/Auth/ForgotPasswordController.php
@@ -71,7 +71,7 @@ class ForgotPasswordController extends Controller
      *      @OA\Response(
      *          response=201,
      *          description="The Reset response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(
diff --git a/app/Http/Controllers/Auth/LoginController.php b/app/Http/Controllers/Auth/LoginController.php
index e42f036ae0fa..5dd43a5ace30 100644
--- a/app/Http/Controllers/Auth/LoginController.php
+++ b/app/Http/Controllers/Auth/LoginController.php
@@ -136,7 +136,7 @@ class LoginController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Company User response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyUser"),
@@ -168,7 +168,7 @@ class LoginController extends BaseController
             return response()
             ->json(['message' => 'Too many login attempts, you are being throttled'], 401)
             ->header('X-App-Version', config('ninja.app_version'))
-            ->header('X-Api-Version', config('ninja.api_version'));
+            ->header('X-Api-Version', config('ninja.minimum_client_version'));
         }
 
         if ($this->attemptLogin($request)) {
@@ -196,7 +196,7 @@ class LoginController extends BaseController
             return response()
             ->json(['message' => ctrans('texts.invalid_credentials')], 401)
             ->header('X-App-Version', config('ninja.app_version'))
-            ->header('X-Api-Version', config('ninja.api_version'));
+            ->header('X-Api-Version', config('ninja.minimum_client_version'));
         }
     }
 
@@ -221,7 +221,7 @@ class LoginController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Company User response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyUser"),
@@ -267,7 +267,7 @@ class LoginController extends BaseController
         return response()
         ->json(['message' => 'Provider not supported'], 400)
         ->header('X-App-Version', config('ninja.app_version'))
-        ->header('X-Api-Version', config('ninja.api_version'));
+        ->header('X-Api-Version', config('ninja.minimum_client_version'));
     }
 
     private function handleGoogleOauth()
@@ -344,7 +344,7 @@ class LoginController extends BaseController
         return response()
         ->json(['message' => ctrans('texts.invalid_credentials')], 401)
         ->header('X-App-Version', config('ninja.app_version'))
-        ->header('X-Api-Version', config('ninja.api_version'));
+        ->header('X-Api-Version', config('ninja.minimum_client_version'));
         
 
     }
diff --git a/app/Http/Controllers/BaseController.php b/app/Http/Controllers/BaseController.php
index 39699f662f26..f1b2af101f40 100644
--- a/app/Http/Controllers/BaseController.php
+++ b/app/Http/Controllers/BaseController.php
@@ -100,7 +100,7 @@ class BaseController extends Controller
     public function notFound()
     {
         return response()->json(['message' => '404 | Nothing to see here!'], 404)
-                         ->header('X-API-VERSION', config('ninja.api_version'))
+                         ->header('X-API-VERSION', config('ninja.minimum_client_version'))
                          ->header('X-APP-VERSION', config('ninja.app_version'));
     }
 
@@ -240,7 +240,7 @@ class BaseController extends Controller
     {
         return [
           'Content-Type' => 'application/json',
-          'X-Api-Version' => config('ninja.api_version'),
+          'X-Api-Version' => config('ninja.minimum_client_version'),
           'X-App-Version' => config('ninja.app_version'),
         ];
     }
diff --git a/app/Http/Controllers/ClientController.php b/app/Http/Controllers/ClientController.php
index d9f8c43b04dc..1edba051e169 100644
--- a/app/Http/Controllers/ClientController.php
+++ b/app/Http/Controllers/ClientController.php
@@ -89,7 +89,7 @@ class ClientController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of clients",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Client"),
@@ -146,7 +146,7 @@ class ClientController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the cl.ient object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Client"),
@@ -201,7 +201,7 @@ class ClientController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Client"),
@@ -258,7 +258,7 @@ class ClientController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Client"),
@@ -310,7 +310,7 @@ class ClientController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Client"),
@@ -357,7 +357,7 @@ class ClientController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Client"),
@@ -418,7 +418,7 @@ class ClientController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -479,7 +479,7 @@ class ClientController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Client User response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Client"),
diff --git a/app/Http/Controllers/CompanyController.php b/app/Http/Controllers/CompanyController.php
index fb06b051fc75..0877a2769736 100644
--- a/app/Http/Controllers/CompanyController.php
+++ b/app/Http/Controllers/CompanyController.php
@@ -89,7 +89,7 @@ class CompanyController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of companies",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Company"),
@@ -135,7 +135,7 @@ class CompanyController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank company object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Company"),
@@ -181,7 +181,7 @@ class CompanyController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved company object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Company"),
@@ -274,7 +274,7 @@ class CompanyController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the company object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Company"),
@@ -329,7 +329,7 @@ class CompanyController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the company object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Company"),
@@ -385,7 +385,7 @@ class CompanyController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the company object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Company"),
@@ -446,7 +446,7 @@ class CompanyController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
diff --git a/app/Http/Controllers/CompanyGatewayController.php b/app/Http/Controllers/CompanyGatewayController.php
index bdd89008d676..58a4d5bd33c7 100644
--- a/app/Http/Controllers/CompanyGatewayController.php
+++ b/app/Http/Controllers/CompanyGatewayController.php
@@ -74,7 +74,7 @@ class CompanyGatewayController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of company_gateways",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyGateway"),
@@ -120,7 +120,7 @@ class CompanyGatewayController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank CompanyGateway object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyGateway"),
@@ -167,7 +167,7 @@ class CompanyGatewayController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved CompanyGateway object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyGateway"),
@@ -226,7 +226,7 @@ class CompanyGatewayController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the CompanyGateway object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyGateway"),
@@ -281,7 +281,7 @@ class CompanyGatewayController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the CompanyGateway object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyGateway"),
@@ -337,7 +337,7 @@ class CompanyGatewayController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the CompanyGateway object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyGateway"),
@@ -400,7 +400,7 @@ class CompanyGatewayController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -460,7 +460,7 @@ class CompanyGatewayController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Company Gateways response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyGateway"),
diff --git a/app/Http/Controllers/CompanyLedgerController.php b/app/Http/Controllers/CompanyLedgerController.php
index c09ae7b022a3..faecd4d0fc48 100644
--- a/app/Http/Controllers/CompanyLedgerController.php
+++ b/app/Http/Controllers/CompanyLedgerController.php
@@ -46,7 +46,7 @@ class CompanyLedgerController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of company_ledger",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyLedger"),
diff --git a/app/Http/Controllers/CompanyUserController.php b/app/Http/Controllers/CompanyUserController.php
index 990b07a34f39..572e6bb541b8 100644
--- a/app/Http/Controllers/CompanyUserController.php
+++ b/app/Http/Controllers/CompanyUserController.php
@@ -105,7 +105,7 @@ class CompanyUserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Company User response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyUser"),
diff --git a/app/Http/Controllers/CreditController.php b/app/Http/Controllers/CreditController.php
index 2341ffca289c..8b56a5685c2f 100644
--- a/app/Http/Controllers/CreditController.php
+++ b/app/Http/Controllers/CreditController.php
@@ -69,7 +69,7 @@ class CreditController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of credits",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Credit"),
@@ -117,7 +117,7 @@ class CreditController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank credit object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Credit"),
@@ -164,7 +164,7 @@ class CreditController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved credit object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Credit"),
@@ -229,7 +229,7 @@ class CreditController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the credit object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Credit"),
@@ -285,7 +285,7 @@ class CreditController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the credit object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Invoice"),
@@ -342,7 +342,7 @@ class CreditController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Credit object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Credit"),
@@ -406,7 +406,7 @@ class CreditController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -464,7 +464,7 @@ class CreditController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Bulk Action response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
diff --git a/app/Http/Controllers/DesignController.php b/app/Http/Controllers/DesignController.php
index 388ce1d375af..f39047e2f1f1 100644
--- a/app/Http/Controllers/DesignController.php
+++ b/app/Http/Controllers/DesignController.php
@@ -65,7 +65,7 @@ class DesignController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of designs",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Design"),
@@ -122,7 +122,7 @@ class DesignController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the expense object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Design"),
@@ -177,7 +177,7 @@ class DesignController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the design object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Design"),
@@ -234,7 +234,7 @@ class DesignController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the design object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Design"),
@@ -285,7 +285,7 @@ class DesignController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank design object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Design"),
@@ -332,7 +332,7 @@ class DesignController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved design object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Design"),
@@ -391,7 +391,7 @@ class DesignController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -454,7 +454,7 @@ class DesignController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Design User response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Design"),
diff --git a/app/Http/Controllers/EmailController.php b/app/Http/Controllers/EmailController.php
index c40b2a4804c1..62760c5acce3 100644
--- a/app/Http/Controllers/EmailController.php
+++ b/app/Http/Controllers/EmailController.php
@@ -88,7 +88,7 @@ class EmailController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="success",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Template"),
diff --git a/app/Http/Controllers/ExpenseController.php b/app/Http/Controllers/ExpenseController.php
index fa4e2fd6cd83..487b15fe86d5 100644
--- a/app/Http/Controllers/ExpenseController.php
+++ b/app/Http/Controllers/ExpenseController.php
@@ -77,7 +77,7 @@ class ExpenseController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of expenses",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Expense"),
@@ -134,7 +134,7 @@ class ExpenseController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the expense object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Expense"),
@@ -189,7 +189,7 @@ class ExpenseController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Expense"),
@@ -246,7 +246,7 @@ class ExpenseController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Expense"),
@@ -298,7 +298,7 @@ class ExpenseController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Expense"),
@@ -345,7 +345,7 @@ class ExpenseController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Expense"),
@@ -406,7 +406,7 @@ class ExpenseController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -467,7 +467,7 @@ class ExpenseController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Expense User response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Expense"),
diff --git a/app/Http/Controllers/GroupSettingController.php b/app/Http/Controllers/GroupSettingController.php
index c0fab0ad4ba6..4dcf7923e0e5 100644
--- a/app/Http/Controllers/GroupSettingController.php
+++ b/app/Http/Controllers/GroupSettingController.php
@@ -64,7 +64,7 @@ class GroupSettingController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of group_settings",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/GroupSetting"),
@@ -110,7 +110,7 @@ class GroupSettingController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank GroupSetting object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/GroupSetting"),
@@ -157,7 +157,7 @@ class GroupSettingController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved GroupSetting object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/GroupSetting"),
@@ -221,7 +221,7 @@ class GroupSettingController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the GroupSetting object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/GroupSetting"),
@@ -276,7 +276,7 @@ class GroupSettingController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the GroupSetting object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/GroupSetting"),
@@ -332,7 +332,7 @@ class GroupSettingController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the GroupSetting object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/GroupSetting"),
@@ -391,7 +391,7 @@ class GroupSettingController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
diff --git a/app/Http/Controllers/InvoiceController.php b/app/Http/Controllers/InvoiceController.php
index 1e4c975b0841..48251ead318d 100644
--- a/app/Http/Controllers/InvoiceController.php
+++ b/app/Http/Controllers/InvoiceController.php
@@ -94,7 +94,7 @@ class InvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of invoices",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Invoice"),
@@ -141,7 +141,7 @@ class InvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank invoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Invoice"),
@@ -188,7 +188,7 @@ class InvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved invoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Invoice"),
@@ -251,7 +251,7 @@ class InvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the invoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Invoice"),
@@ -307,7 +307,7 @@ class InvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the invoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Invoice"),
@@ -364,7 +364,7 @@ class InvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the invoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Invoice"),
@@ -428,7 +428,7 @@ class InvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -486,7 +486,7 @@ class InvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Bulk Action response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -599,7 +599,7 @@ class InvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the invoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Invoice"),
@@ -753,7 +753,7 @@ class InvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the invoice pdf",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
diff --git a/app/Http/Controllers/LicenseController.php b/app/Http/Controllers/LicenseController.php
index 537f141f1cff..7c80e8faad7c 100644
--- a/app/Http/Controllers/LicenseController.php
+++ b/app/Http/Controllers/LicenseController.php
@@ -62,7 +62,7 @@ class LicenseController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Success!",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
diff --git a/app/Http/Controllers/MigrationController.php b/app/Http/Controllers/MigrationController.php
index 07fc187fd3cf..59c7db415a5a 100644
--- a/app/Http/Controllers/MigrationController.php
+++ b/app/Http/Controllers/MigrationController.php
@@ -59,7 +59,7 @@ class MigrationController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Success",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -122,7 +122,7 @@ class MigrationController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Success",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -174,7 +174,7 @@ class MigrationController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Success",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
diff --git a/app/Http/Controllers/OpenAPI/Headers.php b/app/Http/Controllers/OpenAPI/Headers.php
index 549c3f0fce24..b9aef8924c2d 100644
--- a/app/Http/Controllers/OpenAPI/Headers.php
+++ b/app/Http/Controllers/OpenAPI/Headers.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @OA\Header(
- *     header="X-API-Version",
+ *     header="X-MINIMUM-CLIENT-VERSION",
  *     description="The API version",
  *     @OA\Schema( type="number" )
  * ),
diff --git a/app/Http/Controllers/PaymentController.php b/app/Http/Controllers/PaymentController.php
index eb08d67b7d14..2e412d369662 100644
--- a/app/Http/Controllers/PaymentController.php
+++ b/app/Http/Controllers/PaymentController.php
@@ -85,7 +85,7 @@ class PaymentController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of payments",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Payment"),
@@ -133,7 +133,7 @@ class PaymentController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank Payment object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Payment"),
@@ -187,7 +187,7 @@ class PaymentController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved Payment object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Payment"),
@@ -246,7 +246,7 @@ class PaymentController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Payment object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Payment"),
@@ -303,7 +303,7 @@ class PaymentController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Payment object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Payment"),
@@ -360,7 +360,7 @@ class PaymentController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Payment object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Payment"),
@@ -423,7 +423,7 @@ class PaymentController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -486,7 +486,7 @@ class PaymentController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Payment response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Payment"),
@@ -572,7 +572,7 @@ class PaymentController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Payment object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Payment"),
@@ -654,7 +654,7 @@ class PaymentController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved Payment object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Payment"),
diff --git a/app/Http/Controllers/PaymentTermController.php b/app/Http/Controllers/PaymentTermController.php
index 8059ccae6481..5d1ec101aaef 100644
--- a/app/Http/Controllers/PaymentTermController.php
+++ b/app/Http/Controllers/PaymentTermController.php
@@ -55,7 +55,7 @@ class PaymentTermController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of payment terms",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/PaymentTerm"),
@@ -103,7 +103,7 @@ class PaymentTermController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank PaymentTerm object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Payment"),
@@ -156,7 +156,7 @@ class PaymentTermController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved Payment object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/PaymentTerm"),
@@ -209,7 +209,7 @@ class PaymentTermController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Payment Term object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/PaymentTerm"),
@@ -259,7 +259,7 @@ class PaymentTermController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Payment object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/PaymentTerm"),
@@ -316,7 +316,7 @@ class PaymentTermController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Payment Term object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/PaymentTerm"),
@@ -376,7 +376,7 @@ class PaymentTermController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -437,7 +437,7 @@ class PaymentTermController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Payment Terms response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/PaymentTerm"),
diff --git a/app/Http/Controllers/PreviewController.php b/app/Http/Controllers/PreviewController.php
index 4ac725813822..555fc7e6a2f0 100644
--- a/app/Http/Controllers/PreviewController.php
+++ b/app/Http/Controllers/PreviewController.php
@@ -68,7 +68,7 @@ class PreviewController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The pdf response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
diff --git a/app/Http/Controllers/ProductController.php b/app/Http/Controllers/ProductController.php
index 5351d163df5a..4e2efb746934 100644
--- a/app/Http/Controllers/ProductController.php
+++ b/app/Http/Controllers/ProductController.php
@@ -64,7 +64,7 @@ class ProductController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of products",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Product"),
@@ -111,7 +111,7 @@ class ProductController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank Product object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Product"),
@@ -158,7 +158,7 @@ class ProductController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved Product object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Product"),
@@ -215,7 +215,7 @@ class ProductController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Product object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Product"),
@@ -269,7 +269,7 @@ class ProductController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Product object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Product"),
@@ -325,7 +325,7 @@ class ProductController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Product object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Product"),
@@ -386,7 +386,7 @@ class ProductController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -445,7 +445,7 @@ class ProductController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Product response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Product"),
diff --git a/app/Http/Controllers/QuoteController.php b/app/Http/Controllers/QuoteController.php
index e28440f408bd..855c58c2012e 100644
--- a/app/Http/Controllers/QuoteController.php
+++ b/app/Http/Controllers/QuoteController.php
@@ -88,7 +88,7 @@ class QuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of quotes",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Quote"),
@@ -135,7 +135,7 @@ class QuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank Quote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Quote"),
@@ -183,7 +183,7 @@ class QuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved Quote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Quote"),
@@ -244,7 +244,7 @@ class QuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Quote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Quote"),
@@ -301,7 +301,7 @@ class QuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Quote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Quote"),
@@ -358,7 +358,7 @@ class QuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Quote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Quote"),
@@ -421,7 +421,7 @@ class QuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -480,7 +480,7 @@ class QuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Quote response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Quote"),
@@ -608,7 +608,7 @@ class QuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Quote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Quote"),
diff --git a/app/Http/Controllers/RecurringInvoiceController.php b/app/Http/Controllers/RecurringInvoiceController.php
index 93ba9ea414fd..acb3544c4b0d 100644
--- a/app/Http/Controllers/RecurringInvoiceController.php
+++ b/app/Http/Controllers/RecurringInvoiceController.php
@@ -86,7 +86,7 @@ class RecurringInvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of recurring_invoices",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringInvoice"),
@@ -134,7 +134,7 @@ class RecurringInvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank RecurringInvoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringInvoice"),
@@ -183,7 +183,7 @@ class RecurringInvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved RecurringInvoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringInvoice"),
@@ -242,7 +242,7 @@ class RecurringInvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the RecurringInvoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringInvoice"),
@@ -299,7 +299,7 @@ class RecurringInvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the RecurringInvoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringInvoice"),
@@ -356,7 +356,7 @@ class RecurringInvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the RecurringInvoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringInvoice"),
@@ -419,7 +419,7 @@ class RecurringInvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -478,7 +478,7 @@ class RecurringInvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The RecurringInvoice response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringInvoice"),
@@ -564,7 +564,7 @@ class RecurringInvoiceController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the RecurringInvoice object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringInvoice"),
diff --git a/app/Http/Controllers/RecurringQuoteController.php b/app/Http/Controllers/RecurringQuoteController.php
index c209f625c97a..2cceb31d17a0 100644
--- a/app/Http/Controllers/RecurringQuoteController.php
+++ b/app/Http/Controllers/RecurringQuoteController.php
@@ -86,7 +86,7 @@ class RecurringQuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of recurring_quotes",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringQuote"),
@@ -133,7 +133,7 @@ class RecurringQuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank RecurringQuote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringQuote"),
@@ -181,7 +181,7 @@ class RecurringQuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved RecurringQuote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringQuote"),
@@ -240,7 +240,7 @@ class RecurringQuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the RecurringQuote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringQuote"),
@@ -297,7 +297,7 @@ class RecurringQuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the RecurringQuote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringQuote"),
@@ -354,7 +354,7 @@ class RecurringQuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the RecurringQuote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringQuote"),
@@ -417,7 +417,7 @@ class RecurringQuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -476,7 +476,7 @@ class RecurringQuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The RecurringQuote response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringQuote"),
@@ -563,7 +563,7 @@ class RecurringQuoteController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the RecurringQuote object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/RecurringQuote"),
diff --git a/app/Http/Controllers/SubscriptionController.php b/app/Http/Controllers/SubscriptionController.php
index 243a458e5707..e133d7e547d4 100644
--- a/app/Http/Controllers/SubscriptionController.php
+++ b/app/Http/Controllers/SubscriptionController.php
@@ -60,7 +60,7 @@ class SubscriptionController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of subscriptions",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Subscription"),
@@ -117,7 +117,7 @@ class SubscriptionController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the subscription object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Subscription"),
@@ -172,7 +172,7 @@ class SubscriptionController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the subscription object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Subscription"),
@@ -229,7 +229,7 @@ class SubscriptionController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the subscription object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Subscription"),
@@ -280,7 +280,7 @@ class SubscriptionController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank subscription object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Subscription"),
@@ -329,7 +329,7 @@ class SubscriptionController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved subscription object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Subscription"),
@@ -388,7 +388,7 @@ class SubscriptionController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -449,7 +449,7 @@ class SubscriptionController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Subscription User response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Subscription"),
@@ -499,7 +499,7 @@ class SubscriptionController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved hooks object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Subscription"),
@@ -572,7 +572,7 @@ class SubscriptionController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
diff --git a/app/Http/Controllers/Support/Messages/SendingController.php b/app/Http/Controllers/Support/Messages/SendingController.php
index 2efba47ecf21..41daf53d02d9 100644
--- a/app/Http/Controllers/Support/Messages/SendingController.php
+++ b/app/Http/Controllers/Support/Messages/SendingController.php
@@ -40,7 +40,7 @@ class SendingController extends Controller
      *      @OA\Response(
      *          response=200,
      *          description="Success",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\MediaType(
diff --git a/app/Http/Controllers/TaxRateController.php b/app/Http/Controllers/TaxRateController.php
index 039f0c0eeeec..d007b15ff6fc 100644
--- a/app/Http/Controllers/TaxRateController.php
+++ b/app/Http/Controllers/TaxRateController.php
@@ -48,7 +48,7 @@ class TaxRateController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of tax_rates",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/TaxRate"),
@@ -97,7 +97,7 @@ class TaxRateController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank Tax Rate object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/TaxRate"),
@@ -167,7 +167,7 @@ class TaxRateController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Tax Rate object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/TaxRate"),
@@ -221,7 +221,7 @@ class TaxRateController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the Tax Rate object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/TaxRate"),
@@ -277,7 +277,7 @@ class TaxRateController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the TaxRate object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/TaxRate"),
@@ -334,7 +334,7 @@ class TaxRateController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
diff --git a/app/Http/Controllers/TemplateController.php b/app/Http/Controllers/TemplateController.php
index fbaa066fad78..d463e175e87d 100644
--- a/app/Http/Controllers/TemplateController.php
+++ b/app/Http/Controllers/TemplateController.php
@@ -87,7 +87,7 @@ class TemplateController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The template response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Template"),
diff --git a/app/Http/Controllers/TokenController.php b/app/Http/Controllers/TokenController.php
index feffb560fa0a..c18625ff7e48 100644
--- a/app/Http/Controllers/TokenController.php
+++ b/app/Http/Controllers/TokenController.php
@@ -72,7 +72,7 @@ class TokenController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of tokens",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyToken"),
@@ -129,7 +129,7 @@ class TokenController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the token object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyToken"),
@@ -184,7 +184,7 @@ class TokenController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the token object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyToken"),
@@ -241,7 +241,7 @@ class TokenController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the token object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyToken"),
@@ -291,7 +291,7 @@ class TokenController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank token object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyToken"),
@@ -338,7 +338,7 @@ class TokenController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved token object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyToken"),
@@ -397,7 +397,7 @@ class TokenController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -458,7 +458,7 @@ class TokenController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Token response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyToken"),
diff --git a/app/Http/Controllers/UserController.php b/app/Http/Controllers/UserController.php
index d4079b9b1cc6..f48df4bc5da3 100644
--- a/app/Http/Controllers/UserController.php
+++ b/app/Http/Controllers/UserController.php
@@ -83,7 +83,7 @@ class UserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of users",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/User"),
@@ -130,7 +130,7 @@ class UserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank User object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/User"),
@@ -177,7 +177,7 @@ class UserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved User object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/User"),
@@ -240,7 +240,7 @@ class UserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the User object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/User"),
@@ -295,7 +295,7 @@ class UserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the User object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/User"),
@@ -346,7 +346,7 @@ class UserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the User object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/User"),
@@ -414,7 +414,7 @@ class UserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -475,7 +475,7 @@ class UserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The User response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/User"),
@@ -555,7 +555,7 @@ class UserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved User object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/CompanyUser"),
@@ -621,7 +621,7 @@ class UserController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Success response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
diff --git a/app/Http/Controllers/VendorController.php b/app/Http/Controllers/VendorController.php
index 16e871665140..aff6e2d9f8e2 100644
--- a/app/Http/Controllers/VendorController.php
+++ b/app/Http/Controllers/VendorController.php
@@ -77,7 +77,7 @@ class VendorController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A list of vendors",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Vendor"),
@@ -134,7 +134,7 @@ class VendorController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the vendor object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Vendor"),
@@ -189,7 +189,7 @@ class VendorController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Vendor"),
@@ -246,7 +246,7 @@ class VendorController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Vendor"),
@@ -298,7 +298,7 @@ class VendorController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="A blank client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Vendor"),
@@ -345,7 +345,7 @@ class VendorController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns the saved client object",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Vendor"),
@@ -406,7 +406,7 @@ class VendorController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="Returns a HTTP status",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *       ),
@@ -467,7 +467,7 @@ class VendorController extends BaseController
      *      @OA\Response(
      *          response=200,
      *          description="The Vendor User response",
-     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
      *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
      *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
      *          @OA\JsonContent(ref="#/components/schemas/Vendor"),
diff --git a/app/Http/Middleware/ApiSecretCheck.php b/app/Http/Middleware/ApiSecretCheck.php
index f17857555a4b..f40f237d5aac 100644
--- a/app/Http/Middleware/ApiSecretCheck.php
+++ b/app/Http/Middleware/ApiSecretCheck.php
@@ -35,7 +35,7 @@ class ApiSecretCheck
             return response()
             ->json($error, 403)
             ->header('X-App-Version', config('ninja.app_version'))
-            ->header('X-Api-Version', config('ninja.api_version'));
+            ->header('X-Minimum-Client-Version', config('ninja.minimum_client_version'));
         }
     }
 }
diff --git a/app/Http/Middleware/Cors.php b/app/Http/Middleware/Cors.php
index f1ca85bf62f7..210a45855106 100644
--- a/app/Http/Middleware/Cors.php
+++ b/app/Http/Middleware/Cors.php
@@ -39,7 +39,7 @@ class Cors
         $response->headers->set('Access-Control-Allow-Headers', 'X-API-SECRET,X-API-TOKEN,X-API-PASSWORD,DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range');
         $response->headers->set('Access-Control-Expose-Headers', 'X-APP-VERSION');
         $response->headers->set('X-APP-VERSION', config('ninja.app_version'));
-        $response->headers->set('X-API-VERSION', config('ninja.api_version'));
+        $response->headers->set('X-MINIMUM-CLIENT-VERSION', config('ninja.minimum_client_version'));
         
         return $response;
     }
diff --git a/config/ninja.php b/config/ninja.php
index d2a5bed810ff..8675ced52548 100644
--- a/config/ninja.php
+++ b/config/ninja.php
@@ -13,7 +13,7 @@ return [
     'app_url' => env('APP_URL', ''),
     'app_domain' => env('APP_DOMAIN', ''),
     'app_version' => '5.0.4',
-    'api_version' => '5.0.4',
+    'minimum_client_version' => '5.0.4',
     'terms_version' => '1.0.1',
     'api_secret' => env('API_SECRET', ''),
     'google_maps_api_key' => env('GOOGLE_MAPS_API_KEY'),
diff --git a/resources/views/index/index.blade.php b/resources/views/index/index.blade.php
index 48236cbcb726..1e63b29e1698 100644
--- a/resources/views/index/index.blade.php
+++ b/resources/views/index/index.blade.php
@@ -5,6 +5,7 @@
   <title>Invoice Ninja</title>
   <meta name="report_errors" content="{{ $report_errors }}">
   <meta name="google-signin-client_id" content="{{ config('services.google.client_id') }}">
+  <meta name="minimum_client_version" content="{{ config('ninja.minimum_client_version') }}">
 </head>
 <body style="background-color:#888888;">
 
@@ -16,7 +17,7 @@
     }
   </script>
 
-  <script src="main.dart.js?version={{ config('ninja.api_version') }}" type="application/javascript"></script>
+  <script src="main.dart.js?version={{ config('ninja.app_version') }}" type="application/javascript"></script>
 
   <center style="font-family:Tahoma,Geneva,sans-serif;font-size:28px;color:white;padding-top:100px">
     Loading...