Start Checkout

POST /api/checkout/start

{
  "subdomain": "acme",
  "cart": [
    {
      "id": "PRODUCT_CUID",
      "name": "Pro License",
      "price": 29.99,
      "quantity": 1,
      "image": null
    }
  ],
  "subtotal": 29.99,
  "discount": 0,
  "referralCode": null,
  "clientPublicIp": null
}

{
  "orderId": "clxxxxxxxx",
  "order": {
    "orderId": "clxxxxxxxx",
    "storeId": "…",
    "productName": "Pro License",
    "price": 29.99,
    "status": "processing"
  }
}