Actravia is an innovative web based platform for Training and Event organizers. Actravia brings online marketing, registration, enrollment, administration and payment processing into a single online center of operations.
Actravia developed by 3rd i
ActraviaML allows you to make HTTP GET/POST requests during the enrollment processing cycle - applies to version 3.7 +
See this how to guide for an explanation of how to construct the elements required to make HTTP calls.