Cloud9 API
From Cloud9 Payment Processing Gateway Documentation
Cloud9 Payment Gateway Documentation. This site can also be reached at http://docs.cloud9paymentgateway.com
Overview
Cross platform API for easy integration to any POS system. This API wraps the direct SOAP/XML interface that is also available
Sample Application with Source Code
→ Please, see the mini-POS developer package (download, unzip the file and run the executable, the code is in the INC directory)
From the makers of Cloud9 Payment Processing Gateway and Creditline Credit Card Processing Software