Can I send Transactional messages via SMS? N.Makarov June 26, 2020 10:30 Updated Follow Yes, you can send only Transactional messages using our SMS API. To learn more about SMS and how it works, read our Transactional SMS User Guide. Related articles Transactional SMS How to setup a series of automated messages? How to create an A/B test with my campaigns? How can I create a subscription widget for my website? How can I maintain a list of responsive contacts?