Lemon Squeezy 接入指南

<a href="https://yourstore.lemonsqueezy.com/checkout/buy/...">
  购买专业版
</a>

<script src="https://assets.lemonsqueezy.com/lemon.js" defer></script>

<button class="lemonsqueezy-button" data-product-id="123456">
  购买专业版
</button>

app.post('/webhook', express.json(), (req, res) => {
  const event = req.body;

  // 验证签名
  const signature = req.headers['x-signature'];
  // ... 验证逻辑

  // 处理不同事件
  switch (event.meta.event_name) {
    case 'order_created':
      // 订单创建，激活用户权限
      break;
    case 'subscription_cancelled':
      // 订阅取消，停用用户权限
      break;
  }

  res.json({ received: true });
});

const response = await fetch('https://api.lemonsqueezy.com/v1/checkouts', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    data: {
      type: 'checkouts',
      attributes: {
        product_id: 123456,
        custom_price: 2900, // $29.00
      },
    },
  }),
});

const checkout = await response.json();
// 重定向到 checkout.data.attributes.url