This package is unofficial
Quick example:
import 'package:monobank_api/monobank_api.dart';
void main() async {
var client = MonoAPI('token');
var res = await client.clientInfo();
var account = res.accounts[0];
var statement = account.statement(
DateTime.now().subtract(Duration(days: 31)), DateTime.now());
await for (var item in statement.list(reverse: true)) {
print('$item');
}
}
See other examples in Example.