Buscar Sessão de Checkout por ID

curl https://api.upag.io/v1/checkout-sessions/cs_abc123xyz \
  -H "Authorization: Bearer {token}"

{
  "id": "cs_abc123xyz",
  "status": "open",
  "customerId": "cus_ahwDXrgYvur89iPs",
  "url": "https://checkout.upag.io/cs_abc123xyz",
  "billingAddressCollection": false,
  "successUrl": "https://example.com/success",
  "cancelUrl": "https://example.com/cancel",
  "latitude": null,
  "longitude": null,
  "country": null,
  "region": null,
  "city": null,
  "expiresAt": "2024-11-16T10:00:00.000Z",
  "createdAt": "2024-11-15T10:00:00.000Z",
  "updatedAt": "2024-11-15T10:00:00.000Z",
  "items": [
    {
      "id": "csi_abc123xyz",
      "priceId": "price_def456ghi",
      "quantity": 1,
      "price": {
        "id": "price_def456ghi",
        "name": "Plano Pro Mensal",
        "billingType": "recurring",
        "interval": "month",
        "intervalCount": 1,
        "currency": "BRL",
        "amount": 9900,
        "product": {
          "id": "prod_xyz789abc",
          "name": "Plano Pro",
          "description": null,
          "image": null
        }
      }
    }
  ]
}