HTTP Status Codes
| HTTP Status Code | Description |
|---|---|
| 102 | Idempotent request is currently processing |
| 200 | Request processed |
| 201 | Request processed and entity created |
| 400 | Bad request due to invalid or missing parameters |
| 401 | Not Authenticated |
| 403 | Not Authorized |
| 404 | Resource or entity not found |
| 405 | Method not implemented |
| 409 | Request conflict, either with the Idempotency-Key or an active record was found |
| 422 | Unprocessable request due to business logic or client configuration |
| 429 | Too many requests in a given amount of time |
| 500 | Unexpected error while processing the request |
| 503 | Service unavailable, request timed out, or maintenance is underway |
5xx Response Codes
In some instances, a 5xx response does not mean the request failed. An error or timeout from a downstream provider could result in a 5xx from the API. We recommend confirming if the transaction has processed before retrying.