var _request = require('request'); // https://www.npmjs.com/package/request
var _express = require('express'); // https://www.npmjs.com/package/express
var _app = new _express();

# binding routes to your app
_app.post('/auth', function(request, response){
   _request.post(
     '/api/auth', // URL
     { username: 'John', password: '######'},
     , function(error, httpResponse, body){
         if(err){
             res.json("Error.");
         }

         // 'body' is the response of your API Request
       }
    );

   // OR GET Request

   _request.get(
     '/api/data', // URL
     , function(error, httpResponse, body){
         if(err){
             res.json("Error.");
         }

         // 'body' is the response of your API Request
       }
    );
});