---
title: "Check if member"
method: GET
path: "/v3/group_channels/{channel_url}/members/{user_id}"
tags: ["Group channel"]
---

# Check if member

`GET /v3/group_channels/{channel_url}/members/{user_id}`

## Request

- Base URL: `https://api-APP_ID.sendbird.com`
- URL: `https://api-APP_ID.sendbird.com/v3/group_channels/{channel_url}/members/{user_id}`
- Auth: none declared

## Check if user is a member

Checks if a user is a member of a group channel.

> **Note**: See [this page](https://sendbird.com/docs/chat/platform-api/v3/channel/channel-overview#2-channel-types-3-open-channel-vs-group-channel-vs-supergroup-channel) to learn more about channel types. 
  

[https://sendbird.com/docs/chat/platform-api/v3/channel/listing-users/check-if-user-is-a-member#1-check-if-user-is-a-member](https://sendbird.com/docs/chat/platform-api/v3/channel/listing-users/check-if-user-is-a-member#1-check-if-user-is-a-member)

## Path parameters

- `channel_url` string, required
- `user_id` string, required

## Headers

- `api-token` string

## Response `200`

Successful response

- CheckIfMemberResponse
  - `is_member` boolean
  - `state` 'invited' | 'joined' | 'none'

## Changes

- **2025-07-27** `7a85bad03e90`: 4 warning, 2 info
  - deleted the `header` request parameter `Api-Token`
  - added the new `invited` enum value to the `state` response property for the response status `200`
  - added the new `joined` enum value to the `state` response property for the response status `200`
  - added the new `none` enum value to the `state` response property for the response status `200`
  - …2 more
- **2023-11-10** `135d8b0705d4`: 1 info
  - the `header` request parameter `Api-Token` became optional
- **2022-05-03** `5299c01f7f16`: 1 info
  - added the optional property `state` to the response with the `200` status
- **2022-02-16** `c42164095c7c`: 1 breaking
  - the `header` request parameter `Api-Token` became required

[Operation history](https://skmtc.dev/sendbird/apis/sendbird-platform-sdk/changes/v3/group_channels/:channel_url/members/:user_id/get.md)

---

[API](https://skmtc.dev/sendbird/apis/sendbird-platform-sdk.md) - [All operations](https://skmtc.dev/sendbird/apis/sendbird-platform-sdk/llms.txt) - [OpenAPI document](https://skmtc.dev/sendbird/apis/sendbird-platform-sdk/revisions/9e53a5288df0?raw)