diff --git a/api/async.rb b/api/async.rb
index 618aa13f5d6b..c703ec5b92af 100644
--- a/api/async.rb
+++ b/api/async.rb
@@ -57,6 +57,7 @@ def validate
         check :path, type: String, required: true
         check :base_url, type: String
         check :wait_ms, type: Integer, required: true
+        check :timeouts, type: Api::Timeouts
 
         check :full_url, type: String