Problem Details For CoAP APIs

Document Type Replaced Internet-Draft (core WG)
Authors Thomas Fossati  , Jaime Jimenez 
Last updated 2020-03-30 (latest revision 2020-03-05)
Replaced by draft-ietf-core-problem-details
Stream IETF
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state Candidate for WG Adoption
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-core-problem-details
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines a "problem detail" as a way to carry machine- readable details of errors in a CoAP response to avoid the need to define new error response formats for CoAP APIs.


Thomas Fossati (
Jaime Jimenez (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)