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Create case management case

Namespace: microsoft.graph.security.caseManagement

Important

APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported. To determine whether an API is available in v1.0, use the Version selector.

Create a case object in case management.

Important

You can't use this API to create incidentCase objects. Incident cases are created by the service; API requests can't create new incident cases.

Permissions

Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permission type Least privileged permission Higher privileged permissions
Delegated (work or school account) Not supported. Not supported.
Delegated (personal Microsoft account) Not supported. Not supported.
Application Not supported. Not supported.

Important

For delegated access using work or school accounts, the signed-in user must be assigned a supported Microsoft Entra role or a custom role that grants the permissions required for this operation. This API supports the following built-in roles:

  • Security Reader
  • Security Operator
  • Security Administrator

HTTP request

POST /security/caseManagement/cases

Request headers

Name Description
Authorization Bearer {token}. Required. Learn more about authentication and authorization.
Content-Type application/json. Required.

Request body

In the request body, supply a JSON representation of the case object. Include @odata.type to identify a supported derived type. The microsoft.graph.security.caseManagement.incidentCase derived type isn't supported for create requests.

You can specify the following properties when creating a case.

The customFields property is an open object keyed by custom field identifier. Each value must include an @odata.type annotation for the concrete custom field value type.

Property Type Description
customFields microsoft.graph.security.caseManagement.customFieldValues Tenant-defined custom field values keyed by custom field identifier. Optional.
displayName String The display name of the resource. Required.
status String The lifecycle status of the resource. Required.

Response

If successful, this method returns a 201 Created response code and a microsoft.graph.security.caseManagement.case object in the response body.

Examples

Request

The following example shows a request.

POST https://graph.microsoft.com/beta/security/caseManagement/cases
Content-Type: application/json

{
  "@odata.type": "#microsoft.graph.security.caseManagement.genericCase",
  "displayName": "Security Breach Investigation",
  "status": "active",
  "description": "Investigating potential credential compromise.",
  "assignedTo": "john.doe@contoso.com",
  "priority": "high",
  "customFields": {
    "customerImpact": {
      "@odata.type": "#microsoft.graph.security.caseManagement.customFieldStringValue",
      "value": "Executive mailbox affected"
    }
  }
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-Type: application/json

{
  "@odata.type": "#microsoft.graph.security.caseManagement.genericCase",
  "id": "987757fb-6ef4-1061-17e7-9de0d088e1dd",
  "createdDateTime": "2026-06-01T10:00:00Z",
  "createdBy": "john.doe@contoso.com",
  "lastModifiedDateTime": "2026-06-01T10:00:00Z",
  "lastModifiedBy": "john.doe@contoso.com",
  "displayName": "Security Breach Investigation",
  "status": "active",
  "description": "Investigating potential credential compromise.",
  "assignedTo": "john.doe@contoso.com",
  "priority": "high",
  "customFields": {
    "customerImpact": {
      "@odata.type": "#microsoft.graph.security.caseManagement.customFieldStringValue",
      "value": "Executive mailbox affected"
    }
  }
}
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