How to send SMS messages with MailerSend

Setup guide for SMS notifications with MailerSend and Knock.

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

Features

Delivery tracking
Knock link tracking
Per environment configuration
Sandbox mode

Getting started

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

Channel configuration

The following channel settings should be configured per environment. Navigate to Integrations > Channels in your dashboard, select your MailerSend channel, then click "Manage configuration" under the environment that you'd like to configure.

Fields marked with an * are required.

Knock settings

Sandbox modeboolean

Whether to enable sandbox mode for your MailerSend channel.

Knock link trackingboolean

Whether to enable Knock link-click tracking.

Provider settings for MailerSend

API keystring*

The API key from MailerSend. Must have SMS sending permission.

Phone numberstring*

The phone number to send messages from.

Set optional per-environment conditions for this channel. These conditions are evaluated each time a workflow run encounters a step that uses this channel in the configured environment. If the conditions are not met, the step will be skipped.

Recipient data requirements

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