It will not be an overstatement if I say that we can't develop an enterprise application without using webservices as an integration layer. Generally, we develop webservices in the form of either a producer or a consumer or both. However Producer is very important for us because we develop it in Java only. Also, we have full control of database interaction logic implementation with us. Now you might have interpreted the significance of our article 'How to develop REST CRUD API using Spring Boot?'. On the other hand, Consumer can be an Angular Application, ReactJS Application, Android Device, iOS Device and many others or even our favorite java based RestTemplate (Spring Boot REST Client). Building a RESTful CRUD (Create, Read, Update,