DEV Community

Digamber Rawat
Digamber Rawat

Posted on

1

Angular 9|8 HttpClient & Http Services Tutorial

Hello folks, today I am going to show you how you can consume RESTful API in Angular 9|8 using HttpClient service. HttpClient service is a very useful API in Angular to communicate with the remote server.

HttpClient API Features
Observable Support
Hassle Free API Testing
Smooth Requests & Response Mechanism
Better Error Handling

HttpClient is an injectable service, it comes with the various powerful methods to communicate with the remote server. HttpClient API can send Http POST, GET, PUT and DELETE requests easily.

HttpClient service methods in Angular

request()
delete()
get()
head()
jsonp()
options()
patch()
post()
put()

I’ll be showing you the practical examples of standard HTTP methods like GET, PUT, POST and DELETE, these methods allow you to communicate with a REST API server.

By the end of this tutorial, you’ll be able to understand…

How to set up the HttpClientModule in Angular app?
How to make a request using a local server with JSON server NPM package.
How to make GET, POST, PUT & DELETE request with Angular 7/8 using HttpClient API

Table of Contents

Install Angular CLI
Set up Angular Project
Configure Fake JSON Server in Angular 7/8
Enable Routing Service in Angular 7/8
Configure Angular 7/8 HttpClient
Create Angular Service for Consuming RESTful API using Angular 7 HttpClient API
Access HttpClient API from Angular 7 Component
Send HTTP GET and DELETE Requests in Angular 7 to Manage Data
Make HTTP PUT Request in Angular 7 to Update Data
GitHub Project Files

click here to read more

Image of Datadog

Create and maintain end-to-end frontend tests

Learn best practices on creating frontend tests, testing on-premise apps, integrating tests into your CI/CD pipeline, and using Datadog’s testing tunnel.

Download The Guide

Top comments (0)

Image of Datadog

The Essential Toolkit for Front-end Developers

Take a user-centric approach to front-end monitoring that evolves alongside increasingly complex frameworks and single-page applications.

Get The Kit

👋 Kindness is contagious

Engage with a sea of insights in this enlightening article, highly esteemed within the encouraging DEV Community. Programmers of every skill level are invited to participate and enrich our shared knowledge.

A simple "thank you" can uplift someone's spirits. Express your appreciation in the comments section!

On DEV, sharing knowledge smooths our journey and strengthens our community bonds. Found this useful? A brief thank you to the author can mean a lot.

Okay