Phương Thức Thanh Toán Hàn Quốc

const session = await client.checkoutSessions.create({
  product_cart: [{ product_id: 'prod_123', quantity: 1 }],
  allowed_payment_method_types: [
    'kakao_pay',
    'naver_pay',
    'payco',
    'credit',
    'debit'
  ],
  billing_currency: 'KRW',
  billing_address: {
    country: 'KR',
    zipcode: '06236'
  },
  return_url: 'https://example.com/success'
});