gistfile1.txt

var async = require('async');

function doItAll(callback) {
  return async.parallel([
    fnOne,  
    fnTwo,
    fnThree
  ], callback);
  function fnOne(callback) {
    // make first request etc., invoke callback
  }
  function fnTwo(callback) {
    // make second request etc., invoke callback
  }
  function fnThree(callback) {
    // make third request etc., invoke callback
  }
}