---
title: "Changes to Find or create the group's chat room so the app can open it. 403 NOT_IN_GROUP_CHAT when you aren't a member of the group; nobody is added."
method: POST
path: "/api/coach/groups/{groupId}/chat-room"
---

# Changes to Find or create the group's chat room so the app can open it. 403 NOT_IN_GROUP_CHAT when you aren't a member of the group; nobody is added.

`POST /api/coach/groups/{groupId}/chat-room`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 34 revisions.

- **2026-10-19** `0c72870a5acb`: 1 info

## Changes

- **2026-10-19** `0c72870a5acb`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/rewritelifestyle/apis/rewrite-lifestyle-api/docs/api/coach/groups/:groupId/chat-room/post.md) - [API](https://skmtc.dev/rewritelifestyle/apis/rewrite-lifestyle-api.md) - [Page](https://skmtc.dev/rewritelifestyle/apis/rewrite-lifestyle-api/changes/api/coach/groups/:groupId/chat-room/post)