A-IM HTTP header as defined in RFC3229#10.5.3.
Quick facts
Description
A-IM HTTP header as defined in RFC3229#10.5.3.
Syntax
A-IM: <value>
Related status codes
Frequently asked questions
A-IM HTTP header as defined in RFC3229#10.5.3.
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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