MC1220762 (Updated) Retirement notice: MDE and XDR Advanced Hunting APIs retiring; migrate to Microsoft Graph Security API
Updated January 26, 2026: We have updated the content. Thank you for your patience. [Introduction] We’re retiring the Microsoft Defender for Endpoint (MDE) Advanced Hunting API and Microsoft Defender XDR Advanced Hunting API and transitioning customers to the Microsoft Graph Security API. This update aligns our security integrations with a unified interface and schema across Microsoft Defender products. The Microsoft Graph Security API provides broader data coverage, improved consistency, and better scalability for automation and security workflows. [When this will happen] Retirement start: February 6, 2026 Full retirement: February 1, 2027 After February 1, 2027, the MDE and XDR APIs will no longer function. [How this affects your organization] Who is affected: Organizations using the MDE or XDR Advanced Hunting API for automation, integration, or custom workflows.You are receiving this