RaptorXML+XBRL Server is licensed on the machine on which it is installed. The .NET interface is built as a wrapper around the COM interface. The COM and .NET interfaces of RaptorXML+XBRL Server use a single API: the COM/.NET API of RaptorXML+XBRL Server (object reference here).
You can use RaptorXML+XBRL Server with:
•Programming languages, such as C#, via the .NET interface