RFC 9876
Updates to the IANA Registration Procedures for Constrained Application Protocol (CoAP) Content-Formats, November 2025
- File formats:

- Also available: XML file for editing
- Status:
- PROPOSED STANDARD
- Updates:
- RFC 7252
- Authors:
- T. Fossati
E. Dijk - Stream:
- IETF
- Source:
- core (wit)
Cite this RFC: TXT | XML | BibTeX
DOI: https://doi.org/10.17487/RFC9876
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Abstract
This document updates RFC 7252 by modifying the registration procedures for the "CoAP Content-Formats" IANA registry, within the "Constrained RESTful Environments (CoRE) Parameters" registry group. This document also introduces a new column, "Media Type", to the registry. Furthermore, this document reserves Content-Format identifiers 64998 and 64999 for use in documentation.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.