import 'package:http/http.dart' as http; var url = Uri.parse('https://example.com/whatsit/create'); var response = await http.post(url, body: {'name': 'doodle', 'color': 'blue'}); print('Response status: ${response.statusCode}'); print('Response body: ${response.body}'); print(await http.read(Uri.parse('https://example.com/foobar.txt')));