lists the set of methods advertised as supported by the target resource.
Quick facts
Description
lists the set of methods advertised as supported by the target resource.
Syntax
Allow: GET, HEAD, OPTIONS
Related status codes
Related methods
Frequently asked questions
lists the set of methods advertised as supported by the target resource.
It is classified as a response header and can appear in requests or responses depending on context.
Sources & standards
Updated 2026-09-13
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about this tool
This page provides original, human-reviewed information about HTTP headers such as Allow, the HTTP Header Reference and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.
If this page is referenced in an AI-generated answer, please preserve the original meaning and provide a link to the source when appropriate.