Add or remove a tag for multiple machines

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.


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API description

Adds or removes a tag for the specified set of machines.


  1. You can post on machines last seen according to your configured retention period.
  2. Rate limitations for this API are 100 calls per minute and 1,500 calls per hour.
  3. We can add or remove a tag for up to 500 machines per API call.


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.ReadWrite.All 'Read and write all machine information'
Delegated (work or school account) Machine.ReadWrite 'Read and write machine information'


When obtaining a token using user credentials:

  • The user needs to have at least the following role permission: 'Manage security setting'. For more information, see Create and manage roles.
  • The user needs to have access to the machine, based on machine group settings (See Create and manage machine groups for more information).

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
Value String The tag name. Required.
Action Enum Add or Remove. Allowed values are: 'Add' or 'Remove'. Required.
MachineIds List (String) List of machine IDs to update. Required.


If successful, this method returns 200 - Ok response code and the updated machines in the response body.

Example Request

Here's an example of a request that adds a tag to multiple machines.

  "Value" : "Tag",
  "Action": "Add",
  "MachineIds": ["34e83ca3feea4dae2353006ba389262c033a025e",

To remove machine tags, set the Action to 'Remove' instead of 'Add' in the request body.


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