---
title: Count users by user id
slug: cps-guide/mdm-epmm/count-users-by-user-id
createdAt: 2026-10-06T07:45:20.802Z
---

This call counts users by user IDs by searching for users whose user ID starts with the given string. See [User](docId\:DK5wUaGcE74hME-EUyNkR). Note that the call searches only on the email address as the user ID.

## HTTP Method

GET

## Request URI

/msa/v1/cps/user/count?uid=\<String>

## Request parameters

| Parameter | Description                                          | Sample Value      |
| --------- | ---------------------------------------------------- | ----------------- |
| uid       | **Parameter Type:** Query<br />**Data Type:** String | jilldoe\@acme.com |

## Response fields

A number result of users whose user id starts with the given string.

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