npm install zapi_nodejs

var Client = require("zapi_nodejs");

var BASE_URL = '<zfj cloud baseUrl goes here>'
var ACCESS_KEY = '<your accessKey goes here>'
var SECRET_KEY = '<your secretKey goes here>'
var ACCOUNT_ID = '<your ACCOUNT_ID goes here>'

 var JwtClient = new Client(BASE_URL, ACCESS_KEY, SECRET_KEY, ACCOUNT_ID);

  var METHOD = '<api method goes here>'
  var API_URI = '<api uri goes here>'
  var JWT_EXPIRE = <expiration time(in ms) goes here>
  
  var token = JwtClient.generateJWT(METHOD, API_URI, JWT_EXPIRE);
  
  console.log(token);