Activate api.activate is the function used to activate a expired user's sub or to extend his sub ( it needs the program to be initialized first ) : The username you want to activate The token that'll be used to activate his sub Code-Example class Program { public static api auth_instance = new api("program version", "program key", "api key"); static void Main(string[] args) { auth_instance.init(); if(auth_instance.activate("user", "token")) Console.WriteLine("success"); } }