The CheckPoint License Server exposes a SOAP interface for consumption by arbitrary clients.  The WSDL for this interface can be accessed through the URL: <your server>checkpoint.dll/wsdl/ICheckPointService.

Detailed references to the webservice calls can be found in the CheckPoint Webservice References section.

Note: The SoftwareShield CheckPoint™ License Server only comes with the Server Edition of the SoftwareShield System.