In case of errors, they may contain an Message field with a description of the error. The HTTP status code will also indicate the type of error.
| HTTP Response Code | Error Description |
|---|---|
| 200 | Successful request |
| 201 | Successful creation of a resource |
| 400 | Sending invalid JSON |
| 401 | Using an invalid OAuth token |
| 403 | Using an OAuth token without sufficient permissions |
| 404 | Calling an endpoint which does not exist |
| 409 | Creating a resource which already exists |
| 422 | Sending invalid fields |
| 423 | Calling an endpoint which is not allowed |
| 429 | Hitting a rate limit |
| 500 | An internal server error |
| 503 | External service errors (as an example, Payment Providers) |