private static void Main(string[] args) { var tmpEncoding = Encoding.UTF8; System.Console.OutputEncoding = Encoding.Default; System.Console.InputEncoding = Encoding.Default; string nickname = "WhatsAPI Test"; string sender = "3526********"; // Mobile number with country code (but without + or 00) string password = "******";//v2 password string target = "316********";// Mobile number to send the message to WhatsApp wa = new WhatsApp(sender, password, nickname, true); wa.Connect(); wa.Login(); wa.sendNickname(nickname); wa.Disconnect(); wa.PresenceSubscription(target); wa.GetStatus(target); ProcessChat(wa, ""); Console.ReadKey(); }