standard
Quick facts
Description
standard
Syntax
Cookie: session=abc123
Related status codes
Frequently asked questions
standard
It is classified as a request header and can appear in requests or responses depending on context.
Sources & standards
Updated 2026-09-13
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This page provides original, human-reviewed information about HTTP headers such as Cookie, 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.