HTTP 408 Request Timeout

The server did not receive a complete request within the time it was prepared to wait.

Use 408 when an idle or incomplete client connection times out; clients may retry when safe.

httpstatus codetimeoutretry

Response (http)

HTTP/1.1 408 Request Timeout

Use 408 when an idle or incomplete client connection times out; clients may retry when safe.

Common mistakes

Using 408 for slow application processing; it means the client sent an incomplete request too slowly.

Registry reference: RFC9110, Section 15.5.9

Sources