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Sinch

Send and manage omnichannel messages via Sinch Conversations API

Actions3

Message → Send

AI-generated

Summary

Sends an SMS text message to a recipient via the Sinch Conversations API, automatically converting local phone numbers to E.164 format when a country is selected.

Inputs

  • to (required) — Recipient phone number in E.164 format (e.g. +15551234567) or local format when paired with the Country parameter.
  • defaultCountry — Country selection required when providing a local phone number format without a + prefix.
  • message (required) — Text content of the message to send (1 to 1600 characters).
  • additionalFields — Optional settings including SMS Sender ID (alphanumeric or E.164 phone number), Callback URL for webhook status updates, and custom metadata string.

Output shape

a single record

Returns message submission metadata including messageId, queued status, acceptedTime, normalized recipient phone number, channel ('SMS'), and the raw API response.

Examples

Example 1: Send an SMS to an international phone number

To: '+15551234567', Message: 'Your order #12345 has shipped!'

Example 2: Send an SMS using a local phone number format and custom sender ID

To: '4047691562', Country: 'US', Message: 'Your appointment is confirmed.', Additional Fields > SMS Sender: 'MyBusiness'

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