can be used to make a request method conditional on the current existence or value of an entity-tag for one or more representations of the target resource.
Quick facts
Description
can be used to make a request method conditional on the current existence or value of an entity-tag for one or more representations of the target resource.
Syntax
If-Match: "33a64df5"
Related status codes
Related methods
Frequently asked questions
can be used to make a request method conditional on the current existence or value of an entity-tag for one or more representations of the target resource.
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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