Sample code to use API with jQuery

<script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
<script>
    var theurl = 'http://www.cscpro.org/secura/citizen/LrdArc.jsonp';
    $.ajax({
        url: theurl + "?callback=?",
        dataType: 'jsonp',
        success: function(data) {
            alert("Citizen name is " + data.name);
        }
    });
</script>