---
title: "add group membership"
method: PUT
path: "/auth/groups/{groupId}/members/{userId}"
tags: ["auth"]
---

# add group membership

`PUT /auth/groups/{groupId}/members/{userId}`

## Response `201`

membership added successfully

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `404` — Resource Not Found
- `429` — too many requests
- `default` — Internal Server Error

## Changes

- **2025-11-24** `add5a8870f32` — 1 info
  - added the non-success response with the status `400`
- **2025-07-29** `27799ffec9a5` — 2 info
  - added the non-success response with the status `429`
  - removed the non-success response with the status `420`
- **2024-09-17** `3b10653a8013` — 3 info
  - added the non-success response with the status `420`
  - removed the non-success response with the status `400`
  - removed the non-success response with the status `429`

[Change history](https://skmtc.dev/treeverse/apis/lakefs-api/changes/auth/groups/:groupId/members/:userId/put.md)

---

[API](https://skmtc.dev/treeverse/apis/lakefs-api.md) · [All operations](https://skmtc.dev/treeverse/apis/lakefs-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/treeverse/lakefs-api/revisions/4617f80bee61/schema)