# Conflict **HTTP Status:** 409 Conflict **RFC Reference:** [RFC 9110 Section 15.5.10](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.10) The request conflicts with the current state of the resource. ## Response ```json { "type": "https://docs.apiera.io/problems/conflict", "title": "Conflict", "status": 409, "detail": "The request conflicts with the current state of the resource.", "instance": "/v1/products", "correlationId": "550e8400-e29b-41d4-a716-446655440000" } ``` ## Common Causes - Duplicate resource (e.g., SKU already exists) - Resource state prevents the operation - Concurrent modification conflict ## How to Fix - Use a unique identifier - Refresh resource state before retrying - Check for existing resources before creating new ones