---
title: "Send async SMS by conversation"
method: POST
path: "/async/messages/{conversation}"
tags: ["Messages"]
---

# Send async SMS by conversation

`POST /async/messages/{conversation}`

REQUIRED SCOPES <code>['messages:write']</code><br>Send async SMS message via API. This API endpoint allows for sending an SMS by conversation that belongs to an authenticated account. <br><br>Messages are sent on behalf of a user, may include attachments. Actual links included in text messages will be sent as clickable hyperlinks.

## Path parameters

- `conversation` integer, required

## Request body

- object
  - `message` string, textarea, required — Message
  - `send_at` string, date-time — Send At
  - `media_url` string[] — Url for media
  - `enable_quiet_hours` boolean — Is enable quiet hours сheck
  - `enable_realtime_updates` boolean — Emit realtime (WebSocket) updates for this message, so the Salesmsg inbox conversation list refreshes immediately instead of on the next reply or manual open. Disabled by default: for high-volume sending every message produces an extra realtime event, so enable it only when live inbox updates are needed.

## Response `200`

OK

- object
  - `uuid` string — Message UUID
  - `message` string — Success message
  - `code` integer — Code

## Other responses

- `403` — Unauthorized action
- `422` — Unprocessable Entity

---

[API](https://skmtc.net/salesmessage/apis/salesmessage-public-api.md) · [All operations](https://skmtc.net/salesmessage/apis/salesmessage-public-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/salesmessage/salesmessage-public-api/revisions/e96b3e58b041/schema)