GET, POST, PUT, DELETE
- 200 - Everying is OK
- 201 - Resource Created (POST)
- 204 - No Content (suitable for DELETE)
- 301 - Moved Permanently
- 302 - Found (but changed temporarily)
- 304 - Not Modified
- 400 - Bad Request
- 401 - Unauthorized
- 403 - Forbidden
- 404 - Not Found
- 405 - Method Not Allowed (suitable for API development)
- 500 - Internal Server Error
- 501 - Not Implemented
- 502 - Bad Gateway
- 503 - Service Unavailable
- 504 - Gateway Timeout