---
title: "Send SMS"
method: POST
path: "/api/v4/messaging/sms"
tags: ["Messaging"]
---

# Send SMS

`POST /api/v4/messaging/sms`

Send an outbound SMS message with a text body or a canned message template.

## Request body

- object
  - `phone_number` string, phone, required — The recipient's phone number.
  - `sender_id` union — The sender identifier displayed to the recipient. Must be a phone number or an alphanumeric sender ID assigned to the current contact center.
    - string, phone
    - string
  - `message` object, required — The message payload.
    - `content_type` 'text' | 'canned_message', required — The type of message content.
    - `content_data` union, required — The message content. Structure depends on the content_type.
      - SmsContentDataText — SMS content with a plain text body.
        - `body` string, required — The text of the SMS message.
      - SmsContentDataCannedMessage — SMS content using a canned message template.
        - `canned_message_id` integer, required — The identifier of the canned message template.
        - `params` object — Key-value pairs for canned message placeholders.
  - `source` object — Information about the external system that provided the contact number, such as a CRM.
    - `system` string, required — The name of an external application, such as a CRM, where contact information is managed.
    - `account_id` string, required — An identifier assigned to the contact in an external application, such as a CRM.

## Response `201`

Created

- object
  - `sms` Sms — SMS message.
    - `id` string, uuid — The unique identifier of the SMS.

## Other responses

- `401` — Unauthorized
- `403` — Forbidden
- `422` — Unprocessable Entity
- `429` — Too many requests

---

[API](https://skmtc.net/voiso/apis/voiso-api.md) · [All operations](https://skmtc.net/voiso/apis/voiso-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/voiso/voiso-api/versions/3d34cfd8f064/schema)