~/devtools / http-status / 408
tool::http-status-detail

408 Request Timeout

The server timed out waiting for the request.

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Status Code
408
Name
Request Timeout
Category
4xx

Detailed Explanation

HTTP 408 Request Timeout indicates that the server timed out waiting for the client to complete the request. It occurs when the server has a timeout configured for idle connections or when the client is sending the request body too slowly. The server usually closes the connection after sending this response.

Common Causes
  • The client's network connection is slow, delaying request transmission
  • A large file upload exceeded the server's timeout threshold
  • A client-side bug caused the request to be sent incompletely
  • A keep-alive connection where the client remained idle too long
How to Fix
  • 1.Check the client's network connection
  • 2.Retrying the request usually resolves the issue
  • 3.For large uploads, use chunked transfer encoding
  • 4.Consider increasing the server's timeout settings appropriately

Related HTTP Headers

ConnectionRetry-After

Response Example

HTTP/1.1 408 Request Timeout
Connection: close
Content-Type: application/json

{"error":"request_timeout","message":"The request took too long to complete"}

Related Status Codes

400Bad RequestThe server could not understand the request due to invalid syntax.401UnauthorizedAuthentication is required and has failed or not been provided.402Payment RequiredReserved for future use; some services use it for payment walls.403ForbiddenThe server refuses to fulfill the request (authenticated but unauthorized).404Not FoundThe requested resource could not be found.
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