diff --git a/app/Http/Controllers/InvoiceApiController.php b/app/Http/Controllers/InvoiceApiController.php
index a168870ded..84ca80529d 100644
--- a/app/Http/Controllers/InvoiceApiController.php
+++ b/app/Http/Controllers/InvoiceApiController.php
@@ -303,6 +303,15 @@ class InvoiceApiController extends BaseAPIController
 
             return $this->response($data);
         }
+        else if ($request->action == ACTION_CONVERT) {
+            $quote = Invoice::scope($publicId)->firstOrFail();
+            $invoice = $this->invoiceRepo->cloneInvoice($quote, $quote->id);
+
+            $transformer = new InvoiceTransformer(\Auth::user()->account, Input::get('serializer'));
+            $data = $this->createItem($invoice, $transformer, 'invoice');
+
+            return $this->response($data);
+        }
 
         $data = $request->input();
         $data['public_id'] = $publicId;
diff --git a/app/Http/routes.php b/app/Http/routes.php
index f8f3c75266..e4fbfc7a93 100644
--- a/app/Http/routes.php
+++ b/app/Http/routes.php
@@ -333,6 +333,7 @@ if (!defined('CONTACT_EMAIL')) {
 
     define('ACTION_RESTORE', 'restore');
     define('ACTION_ARCHIVE', 'archive');
+    define('ACTION_CONVERT', 'convert');
     define('ACTION_DELETE', 'delete');
 
     define('ACTIVITY_TYPE_CREATE_CLIENT', 1);