diff --git a/VERSION.txt b/VERSION.txt
index b812bb222390..40508d90a485 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-5.1.26
\ No newline at end of file
+5.1.27
\ No newline at end of file
diff --git a/app/Http/Livewire/BillingPortalPurchase.php b/app/Http/Livewire/BillingPortalPurchase.php
index 8cd0a3bc9221..88e4997212dc 100644
--- a/app/Http/Livewire/BillingPortalPurchase.php
+++ b/app/Http/Livewire/BillingPortalPurchase.php
@@ -1,4 +1,13 @@
 <?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
 
 namespace App\Http\Livewire;
 
@@ -114,6 +123,7 @@ class BillingPortalPurchase extends Component
 
     public function handleBeforePaymentEvents()
     {
+        //stubs
         $data = [
             'client_id' => $this->contact->client->id,
             'date' => now()->format('Y-m-d'),
@@ -142,6 +152,7 @@ class BillingPortalPurchase extends Component
         $this->emit('beforePaymentEventsCompleted');
     }
 
+    //this isn't managed here - this is taken care of in the BS
     public function applyCouponCode()
     {
         dd('Applying coupon code: ' . $this->coupon);
diff --git a/app/Jobs/Entity/CreateEntityPdf.php b/app/Jobs/Entity/CreateEntityPdf.php
index 03886ce5e402..edaa6776ea8b 100644
--- a/app/Jobs/Entity/CreateEntityPdf.php
+++ b/app/Jobs/Entity/CreateEntityPdf.php
@@ -25,6 +25,7 @@ use App\Models\RecurringInvoiceInvitation;
 use App\Services\PdfMaker\Design as PdfDesignModel;
 use App\Services\PdfMaker\Design as PdfMakerDesign;
 use App\Services\PdfMaker\PdfMaker as PdfMakerService;
+use App\Utils\HostedPDF\NinjaPdf;
 use App\Utils\HtmlEngine;
 use App\Utils\Ninja;
 use App\Utils\PhantomJS\Phantom;
@@ -160,7 +161,13 @@ class CreateEntityPdf implements ShouldQueue
         $pdf = null;
 
         try {
-            $pdf = $this->makePdf(null, null, $maker->getCompiledHTML(true));
+
+            if(config('ninja.invoiceninja_hosted_pdf_generation')){
+                $pdf = (new NinjaPdf())->build($maker->getCompiledHTML(true));
+            }
+            else {
+                $pdf = $this->makePdf(null, null, $maker->getCompiledHTML(true));
+            }
         } catch (\Exception $e) {
             nlog(print_r($e->getMessage(), 1));
         }
diff --git a/app/Services/BillingSubscription/BillingSubscriptionService.php b/app/Services/BillingSubscription/BillingSubscriptionService.php
index df74d59b7b5b..d93f65f41da2 100644
--- a/app/Services/BillingSubscription/BillingSubscriptionService.php
+++ b/app/Services/BillingSubscription/BillingSubscriptionService.php
@@ -29,18 +29,27 @@ class BillingSubscriptionService
         $this->billing_subscription = $billing_subscription;
     }
 
+    public function completePurchase(PaymentHash $payment_hash)
+    {
+
+        // create client subscription record 
+        //
+        // create recurring invoice if is_recurring
+        // 
+        // s
+
+
+    }
+
+    public function startTrial(array $data)
+    {
+
+    }
+
     public function createInvoice($data): ?\App\Models\Invoice
     {
         $invoice_repo = new InvoiceRepository();
 
-        // $data = [
-        //     'client_id' =>,
-        //     'date' => Y-m-d,
-        //     'invitations' => [
-        //                         'client_contact_id' => hashed_id
-        //                      ],
-        //      'line_items' => [],
-        // ];
         $data['line_items'] = $this->createLineItems($data['quantity']);
 
         /*
diff --git a/app/Utils/HostedPDF/NinjaPdf.php b/app/Utils/HostedPDF/NinjaPdf.php
new file mode 100644
index 000000000000..f0137fd459a1
--- /dev/null
+++ b/app/Utils/HostedPDF/NinjaPdf.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
+
+namespace App\Utils\HostedPDF;
+
+use GuzzleHttp\RequestOptions;
+
+class NinjaPdf
+{
+
+    private $url = 'https://pdf.invoicing.co/api/';
+
+    public function build($html)
+    {
+
+        $client =  new \GuzzleHttp\Client(['headers' => 
+            [ 
+            'X-Ninja-Token' => 'test_token_for_now',        
+            ]
+        ]);
+
+        $response = $client->post($this->url,[
+            RequestOptions::JSON => ['html' => $html]
+        ]);
+
+        return $response->getBody();
+    }
+
+}
diff --git a/config/ninja.php b/config/ninja.php
index 6e53977e9565..41fba0ff0de1 100644
--- a/config/ninja.php
+++ b/config/ninja.php
@@ -13,7 +13,7 @@ return [
     'require_https' => env('REQUIRE_HTTPS', true),
     'app_url' => rtrim(env('APP_URL', ''), '/'),
     'app_domain' => env('APP_DOMAIN', ''),
-    'app_version' => '5.1.26',
+    'app_version' => '5.1.27',
     'minimum_client_version' => '5.0.16',
     'terms_version' => '1.0.1',
     'api_secret' => env('API_SECRET', false),
@@ -144,4 +144,5 @@ return [
     'flutter_canvas_kit' => env('FLUTTER_CANVAS_KIT', false),
     'webcron_secret' => env('WEBCRON_SECRET', false),
     'disable_auto_update' => env('DISABLE_AUTO_UPDATE', false),
+    'invoiceninja_hosted_pdf_generation' => env('NINJA_HOSTED_PDF', false),
 ];