GS 04.- Using REST and Web Services APIs

Use the REST API for service usage, authorization and purchase. It is really easy to use, self documented and will guide you through the process of putting it together.
Use web service to administrate the system. It can be used automate all tasks that you can perform using the web interface.
As we are talking about open standards, both can be called from any platform.
Secure communications, high availability architecture and stateless functionality make reliability one of the product's strengths.