lightmy.dayINSTANT ANSWERS

Client error

HTTP 408: Request Timeout

HTTP 408 means the server timed out waiting for the request.

Meaning

The client did not finish sending the request within the server's timeout window.

Common causes

Slow networks, stalled uploads, large bodies, or proxy timeout limits can cause it.

What to check

Retry the request, reduce upload size, or tune client, proxy, and server timeouts.

Example response

HTTP/1.1 408 Request Timeout

References

Registry: IANA HTTP Status Code Registry
Spec: RFC 9110 §15.5.9
Guide: MDN 408 Request Timeout

Related HTTP status codes

Nearby codes often answer the next debugging question.

400 Bad RequestHTTP 400 means the server could not understand the request.429 Too Many RequestsHTTP 429 means the client sent too many requests.504 Gateway TimeoutHTTP 504 means a gateway timed out waiting for an upstream server.