---
title: "Send message"
method: POST
path: "/api/chat/messages"
tags: ["Chat"]
---

# Send message

`POST /api/chat/messages`

## Request body

- object
  - `conversation_id` integer
  - `content` string, required
  - `recipient` string

## Response `201`

Message sent

- object
  - `message` object

## Other responses

- `400` — Invalid request
- `401` — Authentication required
- `403` — Insufficient permissions

## Changes

- **2026-03-02** `39aff788d955` — 3 info
  - added the media type `application/json` for the response with the status `400`
  - added the media type `application/json` for the response with the status `401`
  - added the media type `application/json` for the response with the status `403`

[Change history](https://skmtc.dev/builderz-labs/apis/mission-control-api/changes/api/chat/messages/post.md)

---

[API](https://skmtc.dev/builderz-labs/apis/mission-control-api.md) · [All operations](https://skmtc.dev/builderz-labs/apis/mission-control-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/builderz-labs/mission-control-api/revisions/b920835b2793/schema)