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 2026-08-18
Explore this reference