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Angular 22 HttpClient Complete Tutorial
Angular, being a powerful front-end framework, equips developers with various tools to communicate seamlessly with servers over the internet.
One such essential tool is HttpClient, which simplifies fetching data from servers or sending data to servers.
In this article, we’ll delve into understanding what HttpClient is and how to effectively set it up within your Angular application.
Setting up HttpClient in your application involves configuring it using dependency injection.
Here’s a step-by-step guide with examples:
1. Providing HttpClient through dependency injection:
Since Angular 21, HttpClient is available for injection by default, so you no longer need to provide it before using it.
Almost every app needs HttpClient, so Angular 21 made it a default root provider.
Your app can inject it straight away, and provideHttpClient(…) becomes the place where you turn on features such as interceptors.
1. Providing HttpClient
HttpClient is provided in the root by default
Before:
// app.config.ts
import { ApplicationConfig } from '@angular/core';
import {…
