| 400 | Bad Request -- Your request is invalid. |
| 401 | Unauthorized -- Your API key is wrong. |
| 403 | Forbidden -- The endpoint requested is hidden for administrators only. |
| 404 | Not Found -- The specified kitten could not be found. |
| 405 | Method Not Allowed -- You tried to access a this endpoint with an invalid method. |
| 406 | Not Acceptable -- You requested a format that isn't json. |
| 410 | Gone -- The Endpoint requested has been removed from our servers. |
| 418 | I'm a teapot. |
| 429 | Too Many Requests -- You're requesting too many kittens! Slow down! |
| 500 | Internal Server Error -- We had a problem with our server. Try again later. |
| 503 | Service Unavailable -- We're temporarily offline for maintenance. Please try again later. |