← All HTTP status codes
508

Loop Detected

WebDAV: the server detected an infinite loop while processing the request.

The 5xx class

5xx — Server errors. The server failed to fulfil a valid request: unhandled exceptions (500), broken upstreams (502), overload or maintenance (503), upstream timeouts (504). These are the codes worth monitoring and alerting on.

Monitoring for this code

Any 5xx is a server-side failure your users feel immediately. This is exactly what uptime monitoring exists for: check the endpoint from multiple regions at a short interval and alert the moment a 5xx appears — before your users report it.

Other 5xx status codes

500 Internal Server Error501 Not Implemented502 Bad Gateway503 Service Unavailable504 Gateway Timeout505 HTTP Version Not Supported506 Variant Also Negotiates507 Insufficient Storage510 Not Extended511 Network Authentication Required
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