---
title: "Send outbound message"
method: POST
path: "/v1/agents/{agent_id}/channels/{channel_id}/send"
tags: ["Agent Channels"]
---

# Send outbound message

`POST /v1/agents/{agent_id}/channels/{channel_id}/send`

## Request

- Base URL: `https://api.1claw.co`
- URL: `https://api.1claw.co/v1/agents/{agent_id}/channels/{channel_id}/send`
- Auth: HTTP bearer

Send an outbound message via a registered channel.

## Path parameters

- `agent_id` string, uuid, required
- `channel_id` string, uuid, required

## Request body

- SendChannelMessageRequest
  - `external_chat_id` string, required: External platform chat/user ID
  - `content` string, required
  - `reply_to` string: External message ID to reply to

## Response `200`

Message sent

- ChannelMessageResponse
  - `id` string, uuid
  - `channel_id` string, uuid
  - `direction` 'inbound' | 'outbound'
  - `external_chat_id` string
  - `external_message_id` string
  - `sender_name` string
  - `content` string
  - `media_url` string
  - `is_voice_message` boolean: Whether this message was a voice message
  - `voice_file_id` string, nullable: Telegram voice file ID
  - `voice_duration_secs` integer, nullable: Duration of voice message in seconds
  - `transcription_status` 'pending' | 'completed' | 'failed', nullable: Status of voice transcription
  - `created_at` string, date-time

## Other responses

- `401`: Authentication required or invalid
- `404`: Resource not found

---

[API](https://skmtc.dev/1claw/apis/1claw-api.md) · [All operations](https://skmtc.dev/1claw/apis/1claw-api/llms.txt) · [OpenAPI document](https://skmtc.dev/1claw/apis/1claw-api/revisions/5fa0918f3b41?raw)