unknown integration
curl \ -H "Authorization: $API_KEY" \ http://cloud9.us-east-1.amazonaws.com/#X-Amz-Target=AWSCloud9WorkspaceManagementService.TagResource
curl \ -H "Authorization: $API_KEY" \ http://cloud9.us-east-1.amazonaws.com/#X-Amz-Target=AWSCloud9WorkspaceManagementService.UntagResource