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The Idempotency-Key HTTP Header Field
draft-ietf-httpapi-idempotency-key-header-07

Document Type Expired Internet-Draft (httpapi WG)
Expired & archived
Authors Jayadeba Jena , Sanjay Dalal
Last updated 2026-04-18 (Latest revision 2025-10-15)
Replaces draft-idempotency-header
RFC stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Formats
Additional resources GitHub Repository
Mailing list discussion
Stream WG state WG Document
Document shepherd (None)
IESG IESG state Expired
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD (None)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:

Abstract

The HTTP Idempotency-Key request header field can be used to make non-idempotent HTTP methods such as POST or PATCH fault-tolerant.

Authors

Jayadeba Jena
Sanjay Dalal

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