diff --git a/open-api/rest-catalog-open-api.py b/open-api/rest-catalog-open-api.py
index 56212f1ac0b5..102597ab6e88 100644
--- a/open-api/rest-catalog-open-api.py
+++ b/open-api/rest-catalog-open-api.py
@@ -1103,6 +1103,7 @@ class LoadTableResult(BaseModel):
     ## General Configurations
 
     - `token`: Authorization bearer token to use for table requests if OAuth2 security is enabled
+    - `expires-at-ms`: if present, specifies timestamp in milliseconds when credentials for storage(AWS S3/Azure/GCP), specified in config would expire
 
     ## AWS Configurations
 
diff --git a/open-api/rest-catalog-open-api.yaml b/open-api/rest-catalog-open-api.yaml
index 661af11efc4b..5fc7c8c718f7 100644
--- a/open-api/rest-catalog-open-api.yaml
+++ b/open-api/rest-catalog-open-api.yaml
@@ -2763,7 +2763,8 @@ components:
         
         ## General Configurations
         
-        - `token`: Authorization bearer token to use for table requests if OAuth2 security is enabled 
+        - `token`: Authorization bearer token to use for table requests if OAuth2 security is enabled
+        - `expires-at-ms`: if present, specifies timestamp in milliseconds when credentials for storage(AWS S3/Azure/GCP), specified in config would expire
         
         ## AWS Configurations