diff --git a/data/web/api/openapi.yaml b/data/web/api/openapi.yaml
index cb589c2b..2d6cad48 100644
--- a/data/web/api/openapi.yaml
+++ b/data/web/api/openapi.yaml
@@ -608,6 +608,11 @@ paths:
                 rl_value:
                   description: rate limit value
                   type: number
+                tags:
+                  description: tags for this Domain
+                  type: array
+                  items:
+                    type: string
               type: object
       summary: Create domain
   /api/v1/add/domain-admin: