Dart code to create an application owned webhook in Discord

create_discord_webhook.dart

import 'dart:convert';
import 'dart:io';

final client = HttpClient(context: SecurityContext(withTrustedRoots: true));

Future<Map<String, dynamic>> createDiscordWebhook({
  required String channelId,
  required String authorization,
  required String name,
}) async {
  final request = await client.postUrl(
    Uri.parse('https://discord.com/api/channels/$channelId/webhooks'),
  )
    ..headers.add('Content-Type', 'application/json')
    ..headers.add('User-Agent', 'DartClient (https://discord.com, 0)')
    ..headers.add('Authorization', 'Bot $authorization')
    ..write(json.encode({'name': name}));

  final response = await request.close();
  return json.decode(utf8.decode(await response.first));
}