topic Registered
Verified 2026-09-19 · registry updated 2026-06-26

HTTP registry: Date Not Acceptable

Registered value from the IANA HTTP registry.

Problem-type values identify machine-readable API error semantics and migration guidance. Date Not Acceptable is registered in HTTP Problem Types. Defining reference: RFC9458, Section 6.5.2.

httpregistryhttp-problem-typeshttp-problem-type-uris

Identifier (http)

Date Not Acceptable

Registered value from the IANA HTTP registry.

Keep type identifiers stable, avoid leaking exception details, and preserve a consistent error contract.

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

IANA registry: http-problem-types/http-problem-type-uris

Registry reference: RFC9458, Section 6.5.2

Permalink: https://merginit.com/reference/http/registry/http-problem-types/http-problem-type-uris/date-not-acceptable-150