Ionic 4 HttpClient CRUD Service Tutorial to Consume RESTful Server API

Angular’s HttpClient service enables communication between application and server by making an HTTP call to RESTfull API endpoints. In response, we get JSON data which is consumed to show meaningful content to users in client-side applications.

In this tutorial we are going to learn, how to use HttpClient service in Ionic 4 Application to make server HTTP calls with custom headers and propper Error Handling using RxJS operators. In our student application, we will implement CRUD (Create, Read, Update and Delete) operations to communicate with a Mock Server which we will build using JSON-Server NPM package. Continue reading Ionic 4 HttpClient CRUD Service Tutorial to Consume RESTful Server API