package.json

{
  "name": "API-example",
  "version": "0.0.0",
  "description": "Serving UTC time",
  "main": "server.js",
  "repository": "",
  "author": "Andy Novocin",
  "dependencies": {
    "express": "~3.2.4"
  }
}

server.js

var http = require('http');
var express = require('express');

var router = express();
var server = http.createServer(router);

router.all('/*', function(req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Headers", "X-Requested-With");
  next();
});

router.get('/', function(req, res){
  var date = new Date();
  res.json({time: date.toJSON()});
});

server.listen(process.env.PORT || 3000, process.env.IP || "0.0.0.0", function(){
  var addr = server.address();
  console.log("Chat server listening at", addr.address + ":" + addr.port);
});