Get machine related alerts API

Applies to:

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If you are a US Government customer, please use the URIs listed in Microsoft Defender for Endpoint for US Government customers.


For better performance, you can use server closer to your geo location:


API description

Retrieves all Alerts related to a specific device.


  1. You can query on devices last updated according to your configured retention period.
  2. Rate limitations for this API are 100 calls per minute and 1500 calls per hour.
Permission type Permission Permission display name
Application Alert.Read.All 'Read all alerts'
Application Alert.ReadWrite.All 'Read and write all alerts'
Delegated (work or school account) Alert.Read 'Read alerts'
Delegated (work or school account) Alert.ReadWrite 'Read and write alerts'


When obtaining a token using user credentials:

  • The user needs to have at least the following role permission: 'View Data'. For more information about permissions, see Create and manage roles.
  • The user needs to have access to the device, based on device group settings. For more information about device group settings, see Create and manage device groups.

Device group creation is supported in Defender for Endpoint Plan 1 and Plan 2.

HTTP request

GET /api/machines/{id}/alerts

Request headers

Name Type Description
Authorization String Bearer {token}. Required.

Request body



If successful and device exists: 200 OK with list of alert entities in the body. If device was not found: 404 Not Found.


Do you want to learn more? Engage with the Microsoft Security community in our Tech Community: Microsoft Defender for Endpoint Tech Community.