---
title: "Send a message (send_message)"
method: POST
path: "/sdk/agents/{agentId}/messages"
tags: ["SDK — Messages"]
---

# Send a message (send_message)

`POST /sdk/agents/{agentId}/messages`

## Request

- Base URL: `https://api.agentbrink.com/api`
- URL: `https://api.agentbrink.com/api/sdk/agents/{agentId}/messages`
- Auth: HTTP bearer

Send a message from the agent to a user on telegram, email, or sms.

## Request body

- SendMessageBody
  - `channel` 'telegram' | 'email' | 'sms', required
  - `externalChatId` string, required: Telegram chat ID, email address, or phone number
  - `conversationId` string
  - `content` object, required
    - `type` string, required
    - `text` string, required

## Response `200`

Message queued

- object
  - `status` string

## Other responses

- `400`: Invalid request body
- `401`: Missing or invalid Bearer token

---

[API](https://skmtc.dev/agentbrink/apis/agentbrink-api.md) · [All operations](https://skmtc.dev/agentbrink/apis/agentbrink-api/llms.txt) · [OpenAPI document](https://skmtc.dev/agentbrink/apis/agentbrink-api/revisions/d2c782056161?raw)