REQ-FUN-043

All POST endpoints accept Idempotency-Key header; same response for retries within 24h

ID
REQ-FUN-043
Category
Functional Requirements
Status
approved
Priority
P0
Created
2026-05-10T18:00:10.132Z
Approved
2026-05-10T18:02:47.464Z
Updated
2026-05-10T18:02:47.464Z

What

All POST endpoints SHALL accept an Idempotency-Key header and SHALL return the same response for retries within 24 hours.

Acceptance

Replay test confirms identical response.

Source

OBJ-6.

established project management guidelines Mapping

Primary Knowledge Area
Integration Management
Secondary KA
Quality Management
Primary Process Group
Executing
established project management guidelines Deliverable
Project Management Plan

Idempotency-Key handling is a quality / integration property of safe retries across the surface.