MAY be included within a response message as an indication as to which Prefer tokens were honored by the server and applied to the processing of a request.
Quick facts
Description
MAY be included within a response message as an indication as to which Prefer tokens were honored by the server and applied to the processing of a request.
Syntax
Preference-Applied: return=representation
Frequently asked questions
MAY be included within a response message as an indication as to which Prefer tokens were honored by the server and applied to the processing of a request.
It is classified as a response header and can appear in requests or responses depending on context.
Sources & standards
Updated 2026-08-18