---
title: Get alert information by ID API
description: Retrieves an alert by its ID.
keywords: apis, graph api, supported apis, get, alert, information, id
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 information by ID API

**Applies to:**

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

Retrieves an alert by its ID.

## 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 |	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'

>[!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}
```

## Request headers

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


## Request body
Empty

## Response
If successful, this method returns 200 OK, and the [alert](alerts.md) entity in the response body. If alert with the specified id was 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/441688558380765161_2136280442
```

**Response**

Here is an example of the response.


```
{
    "@odata.context": "https://api.securitycenter.windows.com/api/$metadata#Alerts",
    "id": "441688558380765161_2136280442",
	"incidentId": 8633,
	"assignedTo": "secop@contoso.com",
	"severity": "Low",
	"status": "InProgress",
	"classification": "TruePositive",
	"determination": "Malware",
	"investigationState": "Running",
	"category": "MalwareDownload",
	"detectionSource": "WindowsDefenderAv",
	"threatFamilyName": "Mikatz",
	"title": "Windows Defender AV detected 'Mikatz', high-severity malware",
	"description": "Some description",
	"alertCreationTime": "2018-11-25T16:19:21.8409809Z",
	"firstEventTime": "2018-11-25T16:17:50.0948658Z",
	"lastEventTime": "2018-11-25T16:18:01.809871Z",
	"resolvedTime": null,
	"machineId": "9d80fbbc1bdbc5ce968f1d37c72384cbe17ee337"
}

```