Check out example codes for "how to perform get request in flutter". It will help you in understanding the concepts better.

Code Example 1

import 'package:http/http.dart' as http;
import 'dart:convert';
class API
//replace with your endpoint
static String BASE_URL = 'https://some-url/api/';

 static Future<List<ExampleData>> getRequest() async {
    Response res = await http.get(BASE_URL+'example');
      if (res.statusCode == 200) {
      List<dynamic> body = jsonDecode(res.body);
     // complete by parsing the json body return into ExampleData object and return


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