Error codes and conditions returned by the app
Expands on https://github.com/SK-EID/MID#326-error-conditions
| Status Code | Error message | Reason |
|---|---|---|
| 400 | Required parameter {parameterName} missing | Mandatory parameter in request is missing or has incorrect format/value |
| 401 | Failed to authorise | Authentication failed. Some request token might be expired. |
| 403 | No permission | Relying Party has no permission to use requested capability |
| 404 | Session does not exist | Session does not exist or has expired |
| 405 | Method not allowed | To be specified |
| 408 | Timeout | The request timed out or communication with the ID-card took too long |
| 429 | Too many requests | The client sent too many requests in a given amount of time |
| 444 | Cancelled | User cancelled authentication or exited the authentication app |
| 445 | Card expired | Authentication failed due to expired ID-card |
| 446 | Card locked | The user entered an incorrect PIN code too many times or tried using a locked card |
| 447 | Card unreadable | The data on the ID-card’s NFC chip is unreadable or could not be scanned |
| 448 | Card invalid | The ID-card returned invalid or mismatching information |
| 500 | Internal error | Unknown error, app or phone broken. Restart recommended. |
| 501 | Not implemented | The request is not supported by the authentication app (yet) |
| 502 | Third party error | While using another service, like biometrical authentication, the respective app or service returned an invalid response |
| 503 | Service unavailable | For when the app is not ready to handle the request. A specific cause should be returned as well. Use for temporary conditions. See HTTP error 503 for more clarification. |
| 504 | Third party timeout | While using another service, like biometrical authentication, the request to the other app or service timed out |