How to send SMS messages with Sinch

Knock integrates with Sinch to send SMS notifications to your recipients.


  • Per environment configuration
  • Delivery tracking
  • Sandbox mode

Getting started

You can create a new Sinch channel in the dashboard under the Integrations > Channels section. From there, you'll need to configure the channel for each environment you have.

Provider configuration

API tokenstring*The API token from Sinch.
Service Plan Idstring*The Service Plan Id from Sinch.
Regionenum (one of `AU`, `BR`, `CA`, `EU`, `US`)The region of your domain.
From phone numberstringThe phone number to send messages from.
Short codestringThe short code to send messages from.
Sender IDstringThe Sender ID to send messages from.

Recipient data requirements

In order to send an SMS notification you'll need a valid phone_number property set on your recipient.