Acknowledges the messages associated with the ackIds in the AcknowledgeRequest. The Pub/Sub system can remove the relevant messages from the subscription.
Acknowledging a message whose ack deadline has expired may succeed, but such a message may be redelivered later. Acknowledging a message more than once will not result in an error.
HTTP request
Path parameters
| Parameters | |
|---|---|
| subscription | 
 Required. The subscription whose message is being acknowledged. Format is  | 
Request body
The request body contains data with the following structure:
| JSON representation | 
|---|
| { "ackIds": [ string ] } | 
| Fields | |
|---|---|
| ackIds[] | 
 Required. The acknowledgment ID for the messages being acknowledged that was returned by the Pub/Sub system in the  | 
Response body
If successful, the response body is an empty JSON object.
Authorization scopes
Requires one of the following OAuth scopes:
- https://www.googleapis.com/auth/pubsub
- https://www.googleapis.com/auth/cloud-platform
For more information, see the Authentication Overview.