dependencies:
  mailofly: ^0.2.0

dart pub add mailofly
# or
flutter pub add mailofly

import 'package:mailofly/mailofly.dart';

final client = Mailofly(
  apiKey: 'mf_live_…',
);

// Always close when done (releases the HTTP client)
await client.close();

try {
  final result = await client.emails.send(
    from: 'Acme <onboarding@example.com>',
    to: ['alex@example.com'],
    subject: 'Hello',
    html: '<p>Thanks for signing up.</p>',
    tags: [{'name': 'category', 'value': 'welcome'}],
  );
  print('Sent: ${result['id']}');
} on MailoflyException catch (e) {
  print('${e.statusCode} ${e.error} ${e.message}');
} finally {
  client.close();
}

await client.emails.send(
  from: 'Acme <onboarding@example.com>',
  to: ['alex@example.com'],
  template: {
    'id': 'uuid-of-template',
    'variables': {'first_name': 'Alex'},
  },
);

final result = await client.batch.send([
  {
    'from': 'Acme <onboarding@example.com>',
    'to': ['foo@example.com'],
    'subject': 'hello world',
    'html': '<h1>it works!</h1>',
  },
  {
    'from': 'Acme <onboarding@example.com>',
    'to': ['bar@example.com'],
    'subject': 'world hello',
    'html': '<p>it works!</p>',
  },
]);

// List sending identities
final identities = await client.identities.list();
print(identities['data']);

// Create a contact
await client.contacts.create({
  'email': 'alex@example.com',
  'first_name': 'Alex',
});

final meta = await Mailofly.discovery();
print(meta['resources']);