gistfile1.html

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
 
<script>
  jQuery.ajax({
   url: 'http://api.demandbase.com/api/v2/ip.json?key=<Your_Demandbase_Key>',
   dataType: 'json', // not 'jsonp'; this triggers CORS
   //data: data, // optional params
   success: function(result) {
     // response handler for IP API call
     industry = result.industry;
   },

   error: function(xhr, textStatus, errorThrown) {
     // optional error handler

   }
  });
</script>