We Build Your Flutter White-Label Payment SDK

import 'package:your_brand_payments/your_brand_payments.dart';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:flutter/material.dart';
import 'dart:io' show Platform;

// Initialize the SDK with your configuration
final payments = YourBrandPayments(
  apiKey: 'YOUR_API_KEY',
  environment: Environment.production,
  merchantId: 'your-merchant-id',
);

// Set up payment methods
await payments.methods.setup(
  card: true,
  applePay: Platform.isIOS ? ApplePayConfig(
    merchantIdentifier: 'merchant.com.yourdomain',
    countryCode: 'US',
  ) : null,
  googlePay: Platform.isAndroid ? GooglePayConfig(
    merchantId: 'your-google-merchant-id',
  ) : null,
);

// Create a payment
try {
  final result = await payments.createPayment(
    PaymentRequest(
      amount: 1999,
      currency: 'USD',
      paymentMethod: PaymentMethod.card,
      card: cardDetails,
      metadata: {'orderId': 'ORD-12345'},
    ),
  );
  
  print('Payment successful: ${result.id}');
} catch (error) {
  print('Payment failed: $error');
}