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 BucketAccessControls: patch   Updates an ACL entry on the specified  bucket  
.
This method supports  patch  
semantics. 
 
  
  Required permissions  
 The authenticated user must have the following IAM permissions on the bucket to
use this method:
 
   storage.buckets.get 
  
  storage.buckets.getIamPolicy 
  
  storage.buckets.setIamPolicy 
  
  storage.buckets.update 
  
  
As an alternative to having IAM permissions, the authenticated user can use this
method by having the  OWNER 
ACL permission for the bucket.   
  Request  
 HTTP request  
  PATCH https://storage.googleapis.com/storage/v1/b/  bucket  
/acl/  entity  
  
 In addition to  standard query parameters  
,
  the following query parameters apply to this method. 
 
 To see an example of how to include query parameters in a request, see the  JSON API Overview  
page. 
 
 Parameters  
    Parameter name
 
 Value
 
 Description
 
  
  
   
   bucket 
 
  string 
 
 Name of a bucket.
 
  
   entity 
 
  string 
 
 The entity holding the permission. Can be  user-  emailAddress  
,  group-  groupId  
,  group-  emailAddress  
,  allUsers 
, or  allAuthenticatedUsers 
. 
 
  
   Optional query parameters  
 
  
  
  
 Request body  
 In the request body, supply the relevant portions of a  BucketAccessControls resource  
,
  according to the rules of patch semantics. 
 
  
  
  Try it!  
 Use the APIs Explorer below to call this method on live data and see the response.
 
 
 
  
  
  
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 Last updated 2025-10-24 UTC.
 
  
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