diff --git a/app/controllers/api/functions.php b/app/controllers/api/functions.php
index ec3d568b62..95f41f08ec 100644
--- a/app/controllers/api/functions.php
+++ b/app/controllers/api/functions.php
@@ -514,6 +514,7 @@ App::get('/v1/functions/specifications')
 
         $response->dynamic(new Document([
             'specifications' => $runtimeSpecs,
+            'total' => count($runtimeSpecs)
         ]), Response::MODEL_SPECIFICATION_LIST);
     });