The NET SatisFAXtion SOAP interface (NSSOAP) provides a simple yet powerful interface to NET SatisFAXtion, based on the SOAP and WSDL standards. The NSSOAP interface is a feature of NET SatisFAXtion 7.5 and above. With the NSSOAP API, you can:

• Send and receive faxes from one API using a wide variety of fax hardware. Supports Fax over IP, using VoIP gateways with SIP T.38, for boardless faxing.
• Fax a variety of document types, including HTML from either a file or a URL
• Send faxes from Active Server Pages (ASP/ASPX) or CGI scripts for web integration