curl --request GET \
  --url https://api-sandbox.revolv3.com/api/Checkout/{checkoutUid} \
  --header 'x-revolv3-token: <api-key>'

{
  "checkoutId": "12345678-ABCD-1234-EFGH-987654321000",
  "checkoutStatus": "Pending",
  "returnUrl": "https://mysite.com/order/12345678",
  "completionDate": null,
  "customer": {
    "customerId": 328,
    "firstName": "Joe",
    "lastName": "Doe",
    "email": "aa@aa.com"
  },
  "invoice": {
    "invoiceId": 8786,
    "invoiceStatus": "Paid",
    "total": 10,
    "billingDate": "2026-07-01T13:31:34.1290674+02:00",
    "paymentMethod": {
      "paymentMethodId": 0,
      "billingAddress": {
        "addressId": 4232,
        "addressLine1": "20 Bitterwater Street",
        "addressLine2": null,
        "city": "King City",
        "state": "CA",
        "postalCode": "11111",
        "phoneNumber": "43823527092",
        "email": "aa@aa.com",
        "country": "US"
      },
      "billingFirstName": "Joe",
      "billingLastName": "Doe",
      "type": null,
      "achDetails": null,
      "creditCardDetails": {
        "last4Digit": "1111",
        "expirationDate": "11/11"
      }
    },
    "invoiceAttempts": null
  },
  "checkoutLineItems": [
    {
      "name": "Checkout Line Item Name",
      "description": "Checkout Line Item Description",
      "value": 10,
      "valueType": "Standard"
    }
  ]
}