| 200 - OK |
Everything worked as expected. |
| 400 - Bad Request |
Bad input parameter. Error message should indicate which one and why. |
| 401 - Unauthorized |
No valid API key provided. |
| 403 - Forbidden |
Maybe there is permission denied for the user to that service |
| 404 - Not Found |
The requested resource doesn't exist. |
| 405 - Method Not Allowed |
The resource doesn't support the specified HTTP verb. |
| 422 - Unprocessable Entity |
Input parameter required, given input can't processable, input validation failed |
| 500, 502, 503, 504 - Server Errors |
Something went wrong on Doorhub's end. (These are rare.) |