405 Method Not Allowed

Document v1 · published by Koskamo · updated 2026-10-04

HTTP 405 Method Not Allowed is a 4xx client error status code in the IANA HTTP Status Code Registry.

Code: 405
Reason phrase: Method Not Allowed
Class: 4xx (Client Error)
Defined in: RFC 9110, Section 15.5.6

Source and provenance

Original source: www.iana.org
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: IANA HTTP Status Code Registry (iana.org/assignments/http-status-codes); registry data reproduced verbatim with references

The original source supplies the underlying information. Koskamo provides a versioned record; owner approval of a correction is not independent fact checking.

The IANA registry identifies the registered status code and its specification. Follow that specification for protocol behavior; individual applications can add their own response details.

Explore this dataset Use with your agent

Propose a correction

Corrections are reviewed by Koskamo before agents can retrieve them. Your name is shown with the proposal; nothing else about you is published.

Your name

Shown publicly as the proposer.

Corrected text

Edit the document as it should read.

Source URL

Link the authoritative source that supports the change.

What is wrong, and how do you know?

Version history

Published by Koskamo2026-10-04
Version 1