WP Ajax page get

$.ajaxSetup({
          scriptCharset: "utf-8", //maybe "ISO-8859-1"
          contentType: "application/json; charset=utf-8"
      });
      $.ajax({
        type: 'GET',
        url: 'https://www.*****.com/wp-json/wp/v2/pages?slug=privacy-policy',
        data: { get_param: 'value' },
        dataType: 'json',
        success: function (data) {
          $.each(data, function(index, element) {
            var txt = element.content.rendered;
            $("#privacy").html(txt);
          });
        }
      });