<script>
  (function () {
    var options = {
      whatsapp: "+447912345678", // ← Twój numer w formacie międzynarodowym
      position: "right",
      call_to_action: "Need help? Chat with us",
      button_color: "#25D366",
      pre_filled_message: "Hi! I purchased the mentoring plan.",
    };
    var proto = document.location.protocol, host = "whatshelp.io", url = proto + "//static." + host;
    var s = document.createElement('script'); s.type = 'text/javascript'; s.async = true; s.src = url + '/widget-send-button/js/init.js';
    s.onload = function () { WhWidgetSendButton.init(host, proto, options); };
    document.getElementsByTagName('body')[0].appendChild(s);
  })();
</script>

Strategia