field Provisional
Verified 2026-09-18 · registry updated 2026-08-28

HTTP field: AMP-Cache-Transform

AMP-Cache-Transform is a provisional field in the IANA HTTP Field Name Registry.

HTTP fields are message metadata; their meaning depends on direction, combination rules, and the HTTP version carrying them. The registry marks this value provisional; review compatibility before deploying it. Use AMP-Cache-Transform only according to its defining specification. Defining reference: AMP-Cache-Transform HTTP request header.

httpheaderfieldregistryprovisional

Registry-backed field entry. The field is currently marked provisional by IANA. Defining reference: AMP-Cache-Transform HTTP request header.

Check whether the field is end-to-end or hop-by-hop, whether it varies a cache response, and whether it carries security-sensitive data before forwarding or logging it. The registry marks this value provisional; review compatibility before deploying it.

Check the linked specification for its direction, combination rules, caching behavior, and security considerations before generating or trusting it.

IANA registry: http-fields/field-names

Registry reference: AMP-Cache-Transform HTTP request header

Permalink: https://merginit.com/reference/http/field-registry-amp-cache-transform