On a callback request, you should respond with 200 HttpStatusCode to be considered as a successful request. Any non-200 HttpStatusCode will be considered as unsuccessful. In case of following non-200 HttpStatusCodes, we retry upto 3 times in an interval of 30 seconds:
| Error Code | Description |
|---|---|
| 408 | Request Timeout |
| 500 | Internal Server Error |
| 501 | Not Implemented |
| 502 | Bad Gateway |
| 503 | Service Unavailable |
| 504 | Gateway Timeout |
| 505 | HTTP Version Not Supported |
| 511 | Network Authentication Required |