Errors

1. Sending invalid JSON will result in a 400 Bad Request response.
2. Using an invalid OAuth token will result in a 401 Unauthorized response.
3. Calling a endpoint which does not exist will result in a 404 Not Found response.
4. Sending invalid fields will result in a 422 Unprocessable Entity response.
5. Hitting a rate limit will result in a 429 Too many requests response.
6. An internal server error will result in a 500 Internal Server Error response.