RFC 9694 · BEST CURRENT PRACTICE · 2025
MON · 27 JUL 2026
Guidelines for the Definition of New Top-Level Media Types
Overview
RFC 9694, “Guidelines for the Definition of New Top-Level Media Types”, is a Best Current Practice document published in March 2025 by M.J. Dürst. It updates RFC 6838. The canonical text is published by the RFC Editor.
Abstract
This document defines best practices for defining new top-level media types. It also introduces a registry for top-level media types, and contains a short history of top-level media types. It updates RFC 6838.
What “Best Current Practice” means
Documents the IETF community's recommended operational or procedural practice rather than a protocol specification.
Read this RFC
The canonical text of RFC 9694 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
Relationships to other RFCs
Other RFCs from 2025
- RFC 9693 Benchmarking Methodology for Stateful NATxy Gateways
- RFC 9695 The 'haptics' Top-Level Media Type
- RFC 9692 RIFT: Routing in Fat Trees
- RFC 9696 Routing in Fat Trees Applicability and Operational Considerations
- RFC 9690 Use of the RSA-KEM Algorithm in the Cryptographic Message Syntax
- RFC 9698 The JMAPACCESS Extension for IMAP
- RFC 9700 Best Current Practice for OAuth 2.0 Security
- RFC 9701 JSON Web Token Response for OAuth Token Introspection