---
title: "Send a message to a conversation"
method: POST
path: "/conversations/{conversationId}/messages"
tags: ["Conversations"]
---

# Send a message to a conversation

`POST /conversations/{conversationId}/messages`

## Path parameters

- `conversationId` string, required

## Request body

- object
  - `content` string — Message content. Required for text messages, optional for media messages.
  - `type` 'text' | 'image' | 'document', required — Message type
  - `media` object
    - `name` string — Media file name. Optional.
    - `mimeType` string — Media MIME type. Required for media messages.
    - `base64` string — Media file content in base64 encoding. Required for media messages.

## Response `201`

Message sent successfully

- object
  - `id` string, uuid — Message ID

## Other responses

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

---

[API](https://skmtc.net/indigohive/apis/cogfy-messenger-public-api.md) · [All operations](https://skmtc.net/indigohive/apis/cogfy-messenger-public-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/indigohive/cogfy-messenger-public-api/revisions/30bd33ee45c9/schema)