How to call an api in Angular

How to call an api in Angular

Source:- How to call an api in Angular

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In Angular, you can call an API using the `HttpClient` module, which provides a convenient way to make HTTP requests. Here’s a step-by-step guide on how to call an API in Angular:

1. Import the `HttpClient` module and inject it into your component or service. Make sure to import it from `@angular/common/http`.

import { HttpClient } from '@angular/common/http';

constructor(private http: HttpClient) {}

2. Use the `http.get()`, `http.post()`, `http.put()`, or `http.delete()` methods to make the desired HTTP request. These methods return an `Observable` that you can subscribe to in order to handle the response. Here’s an example of making a GET request to retrieve data from an API:

this.http.get('https://api.example.com/data').subscribe(response => {
  // Handle the response data
});

3. If the API requires headers, parameters, or a request body, you can pass them as options to the HTTP request. For example, to include headers or query parameters, you can use the `HttpHeaders` and `HttpParams` classes from `@angular/common/http`.

import { HttpHeaders, HttpParams } from '@angular/common/http';

// GET…