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Cal-Managed-ID

IANA permanent RFC 8607

Registered with IANA and declared by no provider in the APIs.io network.

What this header is for, and how to use it →

A count here is providers whose published contract declares this header — not providers who send it. Response headers set at the edge rarely appear in an OpenAPI at all, so a low number can measure documentation practice rather than deployment.

The registry

Statuspermanent
ReferenceRFC 8607, Section 5.1: Calendaring Extensions to WebDAV (CalDAV): Managed Attachments

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