---
title: "Create Conversation Message"
method: POST
path: "/api/v1/assistant/conversations/{conversation_id}/messages"
tags: ["assistant"]
---

# Create Conversation Message

`POST /api/v1/assistant/conversations/{conversation_id}/messages`

## Request

- Base URL: `https://api.komos.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.komos.ai/api/v1/assistant/conversations/{conversation_id}/messages`
- Auth: none declared

## Path parameters

- `conversation_id` string, uuid, required

## Headers

- `Authorization` string, nullable
- `X-Org-Id` string, nullable

## Request body

- MessageCreateBody
  - `text` string, nullable
  - `role` 'user' | 'assistant' | 'tool' | 'system'
  - `content` string, nullable
  - `content_json` object, nullable
  - `attachments` object[], nullable
  - `page_context` object, nullable

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/komos/apis/komos-backend.md) · [All operations](https://skmtc.dev/komos/apis/komos-backend/llms.txt) · [OpenAPI document](https://skmtc.dev/komos/apis/komos-backend/revisions/f10e153fab38?raw)