Hi Anakku,this interface is not public, no. This is also not a global interface which could be used for other cases. It´s very customer-specific.I think if you have to connect an Entitlement-Server with an external system, you have to develop this or you could contact Agencies which has already experience with these things (like we do).Some further informations (including a video) can be found here: schaffrath Entitlement Server for the Adobe Digital Publishing Suite Please take also a look at t...