How many Transactional SMS can I send per day? N.Makarov April 06, 2020 07:04 Updated Follow The default sending limit for SMS is 200 messages per day. To increase this daily limit, please contact Support. Related articles What are the API Keys? Can I send Transactional SMS to anywhere in the world? Can I customize the tracking links? What is a normal open rate? How to exclude a link from being tracked when click-tracking is enabled?