Forget the headache (and extra costs) of running multiple tools for email & SMS. With Contlo, you can integrate SMS right next to your emails – and we’ll give you free SMS credits to do so!


SMS is a unique channel that allows brands to reach customers on their personal phone numbers. SMS can be used for sending both transactional and promotional messages.

Authentication messages, order confirmations, messages that provide shipping-related information, and so on are a few examples of transactional messages and messages that convey information about offers, new product launches, and flash sales are promotional messages.

In this article, we'll explain how you can start using SMS to send promotional newsletters and Automated messages.

Before you start

  • To start sending SMS Campaigns or SMS messages through automation workflows, you need to have sufficient SMS credits in your account.
  • You can send your promotional newsletters to the customers subscribed to the SMS channel. The subscription statuses for each of the channels (Email, SMS, WhatsApp etc) are managed separately.
  • If you want to send SMS marketing to the US recipients, apart from collecting the opt-in for the SMS channel, you should also make sure you follow TCPA requirements and CTIA guidelines.
  • SMS channel can be used for both Promotional newsletters (through Campaigns) and Automation workflows.