嵌入式结账（iframe SDK）

<script src="https://pay.puffinmoney.com/puffin.js"></script>

<button id="pay">支付 25 USDC</button>
<script>
  document.getElementById('pay').onclick = () =>
    PuffinPay.open({
      intentId: 'INTENT_ID_FROM_YOUR_SERVER',
      onSuccess: (checkout) => (window.location = '/thanks'),
      onExpired: () => alert('支付窗口已过期——请重试'),
      onClose:   () => console.log('客户关闭了结账窗口'),
    });
</script>

PuffinPay.openLink({
  slug: 'consulting-invoice-x7k2m9',
  amount: '150.00',            // 如果链接有固定金额可省略
  customerEmail: 'buyer@example.com',
  onSuccess: () => (window.location = '/thanks'),
});