allows the client to identify itself (or its user) to a proxy that requires authentication.
Quick facts
Description
allows the client to identify itself (or its user) to a proxy that requires authentication.
Syntax
Proxy-Authorization: Basic dXNlcjpwYXNz
Related status codes
Frequently asked questions
allows the client to identify itself (or its user) to a proxy that requires authentication.
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 Proxy-Authorization, the HTTP Header Reference and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.
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