Transactional Messaging API
Specialized API for sending triggered, transactional messages including order confirmations, password resets, and real-time notifications.
Documentation
Documentation
https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/transactional-messaging-api.html
GettingStarted
https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/getting-started-spec.html
BestPractices
https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/transactional-messaging-best-practices.html