431 Request Header Fields Too Large

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The HTTP 431 Request Header Fields Too Large client error response status code indicates that the server refuses to process the request because the request’s HTTP headers are too long; the request may be resubmitted after reducing the size of the request headers 1.

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References


  1. MDN. “431 Request Header Fields Too Large”. Available at: https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Status/431 . (Accessed: [2025-05-22 Thu 21:33]). ↩︎

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