---
title: "Create a group chat message. Roles: group manager, group member."
method: POST
path: "/api/chats/groups"
tags: ["Chat"]
---

# Create a group chat message. Roles: group manager, group member.

`POST /api/chats/groups`

## Request body

- GroupChatMessageRequest
  - `body` string, required
  - `recipientGroupId` integer, required

## Response `200`

OK

- ChatMessageResponseGroupChatMessageCore
  - `success` boolean
  - `error` string
  - `message` GroupChatMessageCore
    - `audit` Audit
      - `createdTime` string, date-time
      - `modifiedTime` string, date-time
      - `modifiedBy` string
    - `chatMessageId` integer
    - `body` string
    - `senderMemberId` integer
    - `sendTime` string, date-time
    - `deletedTime` string, date-time
    - `deletedBy` string
    - `recipientGroupId` integer

## Other responses

- `400` — Bad request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not found
- `500` — Internal server error

## Changes

- **2026-09-02** `870f28ba2607` — 5 info
  - added the optional property `error/errorId` to the response with the `400` status
  - added the optional property `error/errorId` to the response with the `401` status
  - added the optional property `error/errorId` to the response with the `403` status
  - added the optional property `error/errorId` to the response with the `404` status
  - …1 more

[Change history](https://skmtc.dev/mobilecoach/apis/untitled-api/changes/api/chats/groups/post.md)

---

[API](https://skmtc.dev/mobilecoach/apis/untitled-api.md) · [All operations](https://skmtc.dev/mobilecoach/apis/untitled-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/mobilecoach/untitled-api/revisions/870f28ba2607/schema)