Collect investigation package 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

Collect investigation package from a device.


  1. Rate limitations for this API are 100 calls per minute and 1500 calls per hour.


  • These response actions are only available for devices on Windows 10, version 1703 or later, and on Windows 11.


One of the following permissions is required to call this API. To learn more, including how to choose permissions, see Use Defender for Endpoint APIs

Permission type Permission Permission display name
Application Machine.CollectForensics 'Collect forensics'
Delegated (work or school account) Machine.CollectForensics 'Collect forensics'


When obtaining a token using user credentials:

  • The user needs to have at least the following role permission: 'Alerts Investigation' (See Create and manage roles for more information)
  • The user needs to have access to the device, based on device group settings (See Create and manage device groups for more information)

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

HTTP request


Request headers

Name Type Description
Authorization String Bearer {token}. Required.
Content-Type string application/json. Required.

Request body

In the request body, supply a JSON object with the following parameters:

Parameter Type Description
Comment String Comment to associate with the action. Required.


If successful, this method returns 201 - Created response code and Machine Action in the response body. If a collection is already running, this returns 400 Bad Request.



Here is an example of the request.

  "Comment": "Collect forensics due to alert 1234"


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