I followed below Tutorials from "http://www.bravo-kernel.com/2015/04/how-to-prefix-route-a-cakephp-3-rest-api/"

How to build a CakePHP 3 REST API in minutes How to use a CakePHP 3 REST API How to prefix route a CakePHP 3 REST API How to add JWT Authentication to a CakePHP 3 REST API