2xx Success
indicates the action requested by the client was received, understood, accepted, and processed successfully.
★ 200 OK
★ 201 Created
★ 202 Accepted
4xx Client Error
indicates client seems to have requested invalid information
★ 400 Bad Request
★ 401 Unauthorized
★ 402 Payment Required
★ 403 Forbidden
★ 404 Not Found
5xx Server Error
The server failed to fulfill an apparently valid request.
★ 500 Internal Server Error
★ 501 Not Implemented
★ 502 Bad Gateway
★ 503 Service Unavailable
★ 504 Gateway Timeout