---
title: "Send Message"
method: POST
path: "/agent/conversations/{conversation_id}/messages"
tags: ["agent"]
---

# Send Message

`POST /agent/conversations/{conversation_id}/messages`

## Request

- Base URL: `https://api.trytrata.com`
- URL: `https://api.trytrata.com/agent/conversations/{conversation_id}/messages`
- Auth: HTTP bearer

## Path parameters

- `conversation_id` string, uuid, required

## Request body

- SendMessageRequest
  - `message` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `404`: Not found
- `422`: Validation Error

## Changes

- **2026-09-23** `cbe65ce47b5d`: 1 breaking
  - for the `path` request parameter `conversation_id`, the format changed from no format to `uuid`

[Operation history](https://skmtc.dev/trytrata/apis/trytrata-api/changes/agent/conversations/:conversation_id/messages/post.md)

---

[API](https://skmtc.dev/trytrata/apis/trytrata-api.md) - [All operations](https://skmtc.dev/trytrata/apis/trytrata-api/llms.txt) - [OpenAPI document](https://skmtc.dev/trytrata/apis/trytrata-api/revisions/a6a3d5ff6ed0?raw)
