---
title: "Add Member"
method: POST
path: "/api/groups/{group_id}/members"
tags: ["groups"]
---

# Add Member

`POST /api/groups/{group_id}/members`

## Request

- Base URL: `https://api.tintin-x.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.tintin-x.com/api/groups/{group_id}/members`
- Auth: HTTP bearer

## Path parameters

- `group_id` string, uuid, required

## Request body

- GroupAddMemberRequest
  - `agent_id` string, uuid, required

## Response `201`

Successful Response

- GroupMemberResponse
  - `id` string, uuid, required
  - `agent_id` string, uuid, required
  - `agent_name` string, required
  - `agent_avatar` string, nullable, required
  - `role` string, required
  - `joined_at` string, date-time, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/tintin-x/apis/tintin-api.md) · [All operations](https://skmtc.dev/tintin-x/apis/tintin-api/llms.txt) · [OpenAPI document](https://skmtc.dev/tintin-x/apis/tintin-api/revisions/8839a8d0a66c?raw)