diff --git a/app/Http/Controllers/ActivityController.php b/app/Http/Controllers/ActivityController.php
index e6a962651b6b..19c31d2aa453 100644
--- a/app/Http/Controllers/ActivityController.php
+++ b/app/Http/Controllers/ActivityController.php
@@ -136,7 +136,7 @@ class ActivityController extends BaseController
         $backup = $activity->backup;
 
         if (! $backup || ! $backup->html_backup) {
-            return response()->json(['message'=> 'No backup exists for this activity', 'errors' => new stdClass], 404);
+            return response()->json(['message'=> ctrans('texts.no_backup_exists'), 'errors' => new stdClass], 404);
         }
 
         $pdf = $this->makePdf(null, null, $backup->html_backup);
diff --git a/app/Http/Controllers/BaseController.php b/app/Http/Controllers/BaseController.php
index 7ee03112f51e..00f3d6b750c3 100644
--- a/app/Http/Controllers/BaseController.php
+++ b/app/Http/Controllers/BaseController.php
@@ -150,7 +150,7 @@ class BaseController extends Controller
      */
     public function notFound()
     {
-        return response()->json(['message' => '404 | Nothing to see here!'], 404)
+        return response()->json(['message' => ctrans('texts.api_404')], 404)
                          ->header('X-API-VERSION', config('ninja.minimum_client_version'))
                          ->header('X-APP-VERSION', config('ninja.app_version'));
     }
@@ -198,7 +198,7 @@ class BaseController extends Controller
         $updated_at = request()->has('updated_at') ? request()->input('updated_at') : 0;
 
         if (auth()->user()->getCompany()->is_large && ! request()->has('updated_at')) {
-            return response()->json(['message' => 'Cannot load a large account without a updated_at parameter', 'errors' =>[]], 401);
+            return response()->json(['message' => ctrans('texts.large_account_update_parameter'), 'errors' =>[]], 401);
         }
 
         $updated_at = date('Y-m-d H:i:s', $updated_at);
diff --git a/app/Http/Controllers/CompanyController.php b/app/Http/Controllers/CompanyController.php
index e03599b1cf4b..0b437b32b2b7 100644
--- a/app/Http/Controllers/CompanyController.php
+++ b/app/Http/Controllers/CompanyController.php
@@ -501,6 +501,6 @@ class CompanyController extends BaseController
             }
         }
 
-        return response()->json(['message' => 'success'], 200);
+        return response()->json(['message' => ctrans('texts.success')], 200);
     }
 }
diff --git a/app/Http/Controllers/CompanyUserController.php b/app/Http/Controllers/CompanyUserController.php
index b13730a71658..be0a75a85a77 100644
--- a/app/Http/Controllers/CompanyUserController.php
+++ b/app/Http/Controllers/CompanyUserController.php
@@ -115,7 +115,7 @@ class CompanyUserController extends BaseController
         $company_user = CompanyUser::whereUserId($user->id)->whereCompanyId($company->id)->first();
 
         if (! $company_user) {
-            throw new ModelNotFoundException('Company User record not found');
+            throw new ModelNotFoundException(ctrans('texts.company_user_not_found'));
 
             return;
         }
diff --git a/app/Http/Controllers/CreditController.php b/app/Http/Controllers/CreditController.php
index 30019c4ed99c..346dda1ee391 100644
--- a/app/Http/Controllers/CreditController.php
+++ b/app/Http/Controllers/CreditController.php
@@ -484,7 +484,7 @@ class CreditController extends BaseController
         $credits = Credit::withTrashed()->whereIn('id', $this->transformKeys($ids));
 
         if (! $credits) {
-            return response()->json(['message' => 'No Credits Found']);
+            return response()->json(['message' => ctrans('texts.no_credits_found')]);
         }
 
         $credits->each(function ($credit, $key) use ($action) {
@@ -561,7 +561,7 @@ class CreditController extends BaseController
                 break;
 
             default:
-                return response()->json(['message' => "The requested action `{$action}` is not available."], 400);
+                return response()->json(['message' => ctrans('texts.action_unavailable', ['action' => $action])], 400);
                 break;
         }
     }
diff --git a/app/Http/Controllers/DocumentController.php b/app/Http/Controllers/DocumentController.php
index 6b0cd34feb58..0fd18e00289e 100644
--- a/app/Http/Controllers/DocumentController.php
+++ b/app/Http/Controllers/DocumentController.php
@@ -124,7 +124,7 @@ class DocumentController extends BaseController
     {
         $this->document_repo->delete($document);
 
-        return response()->json(['message'=>'success']);
+        return response()->json(['message'=> ctrans('texts.success')]);
     }
 
     public function bulk()
@@ -136,7 +136,7 @@ class DocumentController extends BaseController
         $documents = Document::withTrashed()->whereIn('id', $this->transformKeys($ids))->company()->get();
 
         if (! $invoices) {
-            return response()->json(['message' => 'No Documents Found']);
+            return response()->json(['message' => ctrans('texts.no_documents_found')]);
         }
 
         /*
diff --git a/app/Http/Controllers/GroupSettingController.php b/app/Http/Controllers/GroupSettingController.php
index 8f7f828270e0..2c4815427f50 100644
--- a/app/Http/Controllers/GroupSettingController.php
+++ b/app/Http/Controllers/GroupSettingController.php
@@ -481,7 +481,7 @@ class GroupSettingController extends BaseController
         $group_settings = GroupSetting::withTrashed()->whereIn('id', $this->transformKeys($ids))->company()->get();
 
         if (! $group_settings) {
-            return response()->json(['message' => 'No Group Settings Found']);
+            return response()->json(['message' => ctrans('texts.no_group_settings_found')]);
         }
 
         /*
diff --git a/app/Http/Controllers/ImportController.php b/app/Http/Controllers/ImportController.php
index e11a88103003..aa23c649e5e2 100644
--- a/app/Http/Controllers/ImportController.php
+++ b/app/Http/Controllers/ImportController.php
@@ -95,7 +95,7 @@ class ImportController extends Controller
     {
         CSVImport::dispatch($request->all(), auth()->user()->company());
         
-        return response()->json(['message' => 'Importing data, email will be sent on completion'], 200);
+        return response()->json(['message' => ctrans('texts.import_started')], 200);
     }
 
     private function getEntityMap($entity_type)
diff --git a/app/Http/Controllers/InvoiceController.php b/app/Http/Controllers/InvoiceController.php
index 9866f43133ae..bc2c5c138edc 100644
--- a/app/Http/Controllers/InvoiceController.php
+++ b/app/Http/Controllers/InvoiceController.php
@@ -387,7 +387,7 @@ class InvoiceController extends BaseController
         }
 
         if ($invoice->isLocked()) {
-            return response()->json(['message' => 'Invoice is locked, no modifications allowed']);
+            return response()->json(['message' => ctrans('texts.locked_invoice')]);
         }
 
         $invoice = $this->invoice_repo->save($request->all(), $invoice);
@@ -526,13 +526,13 @@ class InvoiceController extends BaseController
         if ($action == 'download' && $invoices->count() > 1) {
             $invoices->each(function ($invoice) {
                 if (auth()->user()->cannot('view', $invoice)) {
-                    return response()->json(['message' => 'Insufficient privileges to access invoice '.$invoice->number]);
+                    return response()->json(['message' => ctrans('text.access_denied')]);
                 }
             });
 
             ZipInvoices::dispatch($invoices, $invoices->first()->company, auth()->user()->email);
 
-            return response()->json(['message' => 'Email Sent!'], 200);
+            return response()->json(['message' => ctrans('texts.sent_message')], 200);
         }
 
         /*
@@ -649,7 +649,7 @@ class InvoiceController extends BaseController
                 break;
             case 'mark_paid':
                 if ($invoice->balance < 0 || $invoice->status_id == Invoice::STATUS_PAID || $invoice->is_deleted === true) {
-                    return $this->errorResponse(['message' => 'Invoice cannot be marked as paid'], 400);
+                    return $this->errorResponse(['message' => ctrans('texts.invoice_cannot_be_marked_paid')], 400);
                 }
 
                 $invoice = $invoice->service()->markPaid();
@@ -686,9 +686,7 @@ class InvoiceController extends BaseController
                 }
                 break;
             case 'delete':
-                //need to make sure the invoice is cancelled first!!
-                //$invoice->service()->handleCancellation()s->save();
-nlog("inside delete");
+
                 $this->invoice_repo->delete($invoice);
 
                 if (! $bulk) {
@@ -735,7 +733,7 @@ nlog("inside delete");
                 break;
 
             default:
-                return response()->json(['message' => "The requested action `{$action}` is not available."], 400);
+                return response()->json(['message' => ctrans('texts.action_unavailable', ['action' => $action])], 400);
                 break;
         }
     }
diff --git a/resources/lang/en/texts.php b/resources/lang/en/texts.php
index 961242f56aa5..065694498879 100644
--- a/resources/lang/en/texts.php
+++ b/resources/lang/en/texts.php
@@ -3408,6 +3408,16 @@ return [
     'attempted_refund_failed' => 'Attempting to refund :amount only :refundable_amount available for refund',
     'user_not_associated_with_this_account' => 'This user is unable to be attached to this company. Perhaps they have already registered a user on another account?',
     'migration_completed' => 'Migration completed',
-    'migration_completed_description' => 'Your migration has completed, please review your data after logging in.'
+    'migration_completed_description' => 'Your migration has completed, please review your data after logging in.',
+    'api_404' => '404 | Nothing to see here!',
+    'large_account_update_parameter' => 'Cannot load a large account without a updated_at parameter',
+    'no_backup_exists' => 'No backup exists for this activity',
+    'company_user_not_found' => 'Company User record not found',
+    'no_credits_found' => 'No credits found.',
+    'action_unavailable' => 'The requested action :action is not available.',
+    'no_documents_found' => 'No Documents Found',
+    'no_group_settings_found' => 'No group settings found',
+    'access_denied' => 'Insufficient privileges to access/modify this resource',
+    'invoice_cannot_be_marked_paid' => 'Invoice cannot be marked as paid',
 
 ];