Updates a registered callback. It can take up to two minutes for callback changes to become active.
| Name | Type | | Description |
|---|
| callbackName | string | Required | Name of the callback. |
| callbackId | string | Required | Unique identifier of the callback. |
| maxBatchSize | integer | | Must be at least 100 and no more than 1,000. Default is 1,000. |
| Response | Reason |
|---|
| 200 OK | Callback is updated. Review example response. |
| 201 Created | Callback is new. Response includes callbackId, callbackName, url, and maxBatchSize. |
| 304 No Change | Callback already exists on the server. |
| 400 Bad Request | Unable to process the request. |
| 403 Forbidden | Failed to pass authorization. |
| 404 Not Found | Callback ID doesn’t exist for this MID. |
| 500 Server Error | Internal error |