topic Registered
Verified 2026-09-19 · registry updated 2026-07-20

HTTP registry: created

Timestamp of signature creation

HTTP parameter values extend negotiation, framing, preferences, range handling, or other protocol components. created is registered in HTTP Signature Metadata Parameters. Defining reference: RFC 9421, Section 2.3.

httpregistryhttp-message-signaturesignature-metadata-parameters

Identifier (http)

created

Timestamp of signature creation

Interpret parameters only in the context that defines them; unknown parameters must not silently change security or framing behavior.

This registry value is currently marked active by IANA. Follow the defining specification before sending, accepting, or proxying it.

IANA registry: http-message-signature/signature-metadata-parameters

Registry reference: RFC 9421, Section 2.3

Permalink: https://merginit.com/reference/http/registry/http-message-signature/signature-metadata-parameters/created-86