---
title: Get alert related user information 
description: Retrieves the user associated to a specific alert.
keywords: apis, graph api, supported apis, get, alert, information, related, user
search.product: eADQiWindows 10XVcnh
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
ms.author: macapara
author: mjcaparas
ms.localizationpriority: medium
manager: dansimp
audience: ITPro
ms.collection: M365-security-compliance 
ms.topic: article
---

# Get alert related user information API

**Applies to:**

- [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2069559)

Retrieves the user associated to a specific alert.

## Permissions
One of the following permissions is required to call this API. To learn more, including how to choose permissions, see [Use Microsoft Defender ATP APIs](apis-intro.md)

Permission type |	Permission	|	Permission display name
:---|:---|:---
Application |	User.Read.All |	'Read user profiles'
Delegated (work or school account) | User.Read.All | 'Read user profiles'

>[!Note]
> When obtaining a token using user credentials:
>- The user needs to have at least the following role permission: 'View Data' (See [Create and manage roles](user-roles.md) for more information)
>- The user needs to have access to the machine associated with the alert, based on machine group settings (See [Create and manage machine groups](machine-groups.md) for more information)

## HTTP request
```
GET /api/alerts/{id}/user
```

## Request headers

Name | Type | Description
:---|:---|:---
Authorization | String | Bearer {token}. **Required**.


## Request body
Empty

## Response
If successful and alert and a user exists - 200 OK with user in the body. If alert or user not found - 404 Not Found.


## Example

**Request**

Here is an example of the request.

[!include[Improve request performance](improve-request-performance.md)]


```
GET https://api.securitycenter.windows.com/api/alerts/636688558380765161_2136280442/user
```

**Response**

Here is an example of the response.


```
HTTP/1.1 200 OK
Content-type: application/json
{
    "@odata.context": "https://api.securitycenter.windows.com/api/$metadata#Users/$entity",
    "id": "contoso\\user1",
    "firstSeen": "2018-08-02T00:00:00Z",
    "lastSeen": "2018-08-04T00:00:00Z",
    "mostPrevalentMachineId": null,
    "leastPrevalentMachineId": null,
    "logonTypes": "Network",
    "logOnMachinesCount": 3,
    "isDomainAdmin": false,
    "isOnlyNetworkUser": null
}
```