HTTP Status Codes
2XX responses: | The 2xx (Successful) class of status code indicates that the client's request was successfully received, understood, and accepted | ||
4XX Errors: | The 4xx (Client Error) class of status code indicates that the client seems to have erred | ||
400 | Bad Request | The 400 (Bad Request) status code indicates that the server cannot or will not process the request due to something that is perceived to be a client error | |
401 | Unauthorized | The 401 Unauthorized Error is an HTTP response status code indicating that the request sent by the client could not be authenticated | |
403 | Forbidden | The 403 (Forbidden) status code indicates that the server understood the request but refuses to authorize it | |
404 | Page or Resource Not Found | The 404 (Not Found) status code indicates that the origin server did not find a current representation for the target resource | |
405 | Method Not Allowed | The 405 (Method Not Allowed) status code indicates that the method received is not supported by the target resource | |
429 | Too Many Requests | The HTTP 429 status code indicates the user has sent too many requests in a given amount of time ("rate limiting") | |
5XX Errors: | The 5xx (Server Error) class of status code indicates that the server is aware that it has erred or is incapable of performing the requested method | ||
500 | Internal Server Error | The 500 (Internal Server Error) status code indicates that the server encountered an unexpected condition that prevented it from fulfilling the request | |
502 | Bad Gateway | The 502 (Bad Gateway) status code indicates that the server, while acting as a gateway or proxy, received an invalid response from an inbound server it accessed | |
503 | Service Unavailable | The 503 (Service Unavailable) status code indicates that the server is currently unable to handle the request | |
504 | Gateway Timeout | The 504 (Gateway Timeout) status code indicates that the server, while acting as a gateway or proxy, did not receive a timely response from an upstream server |