The APLNext WebServices Commerce version supports HTTPS Secure Sockets Layers (SSL) security for transmission of information between the remote (often browser-based) client and the web services server.
The attached pdf-format document illustrates a workflow to obtaining an appropriate 'certificate' from a certificate issuing authority, installing that certificate on the web server, appropriately exposing that certificate in a form suitable for APLNext WebServices Commerce version and associating that certificate with the APLNext WebServices Commerce version instance on the web server.
Note that the attached document is not designed to illustrate the Activation of the APLNext WebServices Commerce version software which may be reviewed here: viewtopic.php?t=410.