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title: Import Indicators API description: Learn how to use the Import batch of Indicator API in Microsoft Defender for Endpoint. ms.service: defender-endpoint ms.author: painbar author: paulinbar ms.localizationpriority: medium manager: bagol audience: ITPro ms.collection:

  • m365-security
  • tier3
  • must-keep ms.topic: reference ms.custom: api ms.subservice: reference search.appverid: met150 ms.date: 12/11/2025 appliesto:
    • Microsoft Defender for Endpoint
    • Microsoft Defender for Endpoint Plan 1

Import Indicators API

API description

Submits or Updates batch of Indicator entities.

CIDR notation for IPs isn't supported.

Limitations

  • Rate limitations for this API are 30 calls per minute.
  • There's a limit of 15,000 active Indicators per tenant.
  • Maximum batch size for one API call is 500.

Permissions

One of the following permissions is required to call this API. To learn more, including how to choose permissions, see Get started.

Permission type Permission Permission display name
Application Ti.ReadWrite.All Read and write All Indicators
Delegated (work or school account) Ti.ReadWrite Read and write Indicators

HTTP request

POST https://api.security.microsoft.com/api/indicators/import

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
Indicators List<Indicator> List of Indicators. Required

Response

  • If successful, this method returns 200 - OK response code with a list of import results per indicator, see the following example.
  • If not successful: this method return 400 - Bad Request. Bad request usually indicates incorrect body.

Example

Request example

Here's an example of the request.

POST https://api.security.microsoft.com/api/indicators/import
{
    "Indicators":
    [
        {
            "indicatorValue": "220e7d15b011d7fac48f2bd61114db1022197f7f",
            "indicatorType": "FileSha1",
            "title": "demo",
            "application": "demo-test",
            "expirationTime": "2021-12-12T00:00:00Z",
            "action": "Alert",
            "severity": "Informational",
            "description": "demo2",
            "recommendedActions": "nothing",
            "rbacGroupNames": ["group1", "group2"]
        },
        {
            "indicatorValue": "2233223322332233223322332233223322332233223322332233223322332222",
            "indicatorType": "FileSha256",
            "title": "demo2",
            "application": "demo-test2",
            "expirationTime": "2021-12-12T00:00:00Z",
            "action": "Alert",
            "severity": "Medium",
            "description": "demo2",
            "recommendedActions": "nothing",
            "rbacGroupNames": []
        }
    ]
}

Response example

Here's an example of the response.

{
    "value": [
        {
            "id": "2841",
            "indicator": "220e7d15b011d7fac48f2bd61114db1022197f7f",
            "isFailed": false,
            "failureReason": null
        },
        {
            "id": "2842",
            "indicator": "2233223322332233223322332233223322332233223322332233223322332222",
            "isFailed": false,
            "failureReason": null
        }
    ]
}