pwc-qr-example-node.js

var PayWithCaptureClient = require('PayWithCapture');

var clientId = "", //Your client id is in devcenter account page
    clientSecret = "", //Your clientSecret is in devcenter account page
    env = "staging"; //can be staging or production
var client = new PayWithCaptureClient(clientId, clientSecret, env);
var qrClient = client.getQrCode();

data = {
  "merchant_id": "",
  "name": "",
  "description": "",
  "amount_locked": "",
  "image": ""
};
//this will generate the QR code for you
qrClient.generateQrCode(data)
        .then(function(resp) {
          //you can do JSON.stringify to inspect the response from the server
        });

//this will fetch product qr code for you       
qrClient.fetchProductQrCode(data)
        .then(function(resp) {
          //you can do JSON.stringify to inspect the response from the server
        });