diff --git a/swagger.yaml b/swagger.yaml
index d9624c960..36af7a4c5 100644
--- a/swagger.yaml
+++ b/swagger.yaml
@@ -179,6 +179,11 @@ paths:
     get:
       tags:
         - Asset
+      parameters:
+        - name: url
+          in: query
+          description: The url of the asset.
+          required: true
       description: Get an asset by its url.
       responses:
         200: