---
title: "List all users by user id"
method: GET
path: "/user/list"
tags: ["user"]
---

# List all users by user id

`GET /user/list`

Returns an array with all user ids and names.

## Query parameters

- `api_key` string

## Response `200`

A list of users

- UserList
  - `users` UserListUsers
    - `user` UserListUsersUser[]
      - `id` string — The user ID
      - `username` string — The full user name

## Changes

- **2026-07-17** `263d3d6ee586` — 1 info
  - endpoint added
- **2018-01-17** `2209d99ea36e` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/openml/apis/openml-api/changes/user/list/get.md)

---

[API](https://skmtc.dev/openml/apis/openml-api.md) · [All operations](https://skmtc.dev/openml/apis/openml-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/openml/openml-api/revisions/263d3d6ee586/schema)