(basicAuthUsername != '' && basicAuthPassword != '') {
                st_headers['Authorization'] = "Basic " + btoa(basicAuthUsername + ":" + basicAuthPassword);
            }

            $("#sandbox" + theId + " .headers input[type=text]").each(function() {
                val = $(this).val();
                if(val.length > 0) {
                    st_headers[$(this).prop('name')] = val;
                }
            });

            $.ajax({
                url: $('#apiUrl').val() + url,
              