Sample VIP Request in Node

gistfile1.js

var moment = require('moment');
var http   = require('http');
var crypto = require('crypto');

function makeRequest(callback) {
  var secret    = '<SHARED SECRET>'
  var id        = '<CLIENT ID>'

  var params    = 'action=brands'

  var timestamp = moment.utc().format("ddd, D MMM YYYY HH:mm:00 [GMT]");
  var signature = timestamp + secret + params + id

  var sha       = crypto.createHash('sha256')
  var encrypt   = sha.update(signature).digest('hex')

  return http.request({
    host: 'www.vtinfo.com',
    path: '/PF/product_finder-service.asp?' + params,
    headers: {
      'vipCustID': id,
      'vipTimestamp': timestamp,
      'vipSignature': encrypt
    }
  }, function(response){
    var body = ''

    response.on('data', function(d) {
      body += d;
    });

    response.on('end', function() {
      console.log(body);
    });
  });
}

var req = makeRequest();

req.on('error', function(e){
  console.log( "ERROR:" + e.message);
});

req.end();