MC1220762 | (Updated) Retirement notice: MDE and XDR Advanced Hunting APIs retiring; migrate to Microsoft Graph Security API

Service

Microsoft Defender XDR

Last Updated

2026-01-28T17:09:23.54Z

Published

2026-01-22T00:46:54Z

Message ID

MC1220762

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...

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