---
title: Count devices by device group identifier
slug: cps-guide/mdm-epmm/count-devices-by-device-group-identifier
createdAt: 2026-10-06T07:45:20.679Z
---

This API returns device membership count for device group identifier specified in the search request.

## HTTP Method

GET

## Request URI

/msa/v1/cps/device/count?ruleId=\<id>

## Request parameters

| Parameter | Description                                                                                                                       | Sample Value |
| --------- | --------------------------------------------------------------------------------------------------------------------------------- | ------------ |
| id        | **Required**<br />**Parameter Type:** Query<br />**Data Type:** String<br />ID of the device group whose member devices to count. | 38089        |

## Response fields

A number result.

See [Number result](docId:0FgXpF4sPOcu6M7eESvy1).

## Example response

```javascript
{
    "result": 1
}
```