curl --request POST \
  --url https://api.henrylabs.ai/v1/cart/purchase \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "cartId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "buyer": {
    "name": {
      "firstName": "John",
      "middleName": "A.",
      "lastName": "Doe"
    },
    "email": "johnadoe@example.com",
    "phone": "+1234567890",
    "shippingAddress": {
      "line1": "123 Main St",
      "line2": "Apt 4B",
      "city": "Anytown",
      "province": "CA",
      "postalCode": "12345",
      "countryCode": "US"
    },
    "card": {
      "nameOnCard": {
        "firstName": "John",
        "middleName": "A.",
        "lastName": "Doe"
      },
      "details": {
        "cardNumber": "4111111111111111",
        "expiryMonth": "12",
        "expiryYear": "2025",
        "cvv": "123"
      },
      "billingAddress": {
        "line1": "123 Main St",
        "line2": "Apt 4B",
        "city": "Anytown",
        "province": "CA",
        "postalCode": "12345",
        "countryCode": "US"
      }
    }
  },
  "selectedShippingOption": {
    "id": "express",
    "value": "Express Shipping"
  },
  "coupons": [
    "SUMMER21",
    "FREESHIP"
  ]
}
'

{
  "refId": "<string>",
  "status": "pending",
  "products": [
    {
      "status": "pending",
      "link": "<string>",
      "quantity": 123,
      "merchant": "<string>",
      "host": "<string>",
      "variant": "<string>",
      "metadata": {}
    }
  ],
  "details": {
    "hasAccount": true,
    "name": {
      "firstName": "<string>",
      "lastName": "<string>",
      "middleName": "<string>"
    },
    "card": {
      "nameOnCard": {
        "firstName": "<string>",
        "lastName": "<string>",
        "middleName": "<string>"
      },
      "details": {},
      "billingAddress": {
        "line1": "<string>",
        "city": "<string>",
        "province": "<string>",
        "postalCode": "<string>",
        "countryCode": "<string>",
        "line2": "<string>"
      }
    },
    "email": "<string>",
    "phone": {
      "countryCode": "<string>",
      "nationalNumber": "<string>",
      "e164": "<string>",
      "country": "<string>"
    },
    "shippingAddress": {
      "line1": "<string>",
      "city": "<string>",
      "province": "<string>",
      "postalCode": "<string>",
      "countryCode": "<string>",
      "line2": "<string>"
    },
    "settings": {
      "collectEmail": true,
      "collectAddress": true,
      "collectPhone": true
    }
  },
  "result": {
    "items": [
      {
        "productLink": "<string>",
        "confirmationNumber": "<string>",
        "costs": {
          "total": {
            "value": 123,
            "currency": "USD"
          },
          "subtotal": {
            "value": 123,
            "currency": "USD"
          },
          "tax": {
            "value": 123,
            "currency": "USD"
          },
          "shipping": {
            "value": 123,
            "currency": "USD"
          },
          "discount": {
            "value": 123,
            "currency": "USD"
          }
        },
        "shippingOption": {
          "id": "<string>",
          "name": "<string>",
          "cost": {
            "value": 123,
            "currency": "USD"
          },
          "timeEstimate": "<string>",
          "minDate": "<string>",
          "maxDate": "<string>"
        },
        "appliedCoupon": {
          "code": "<string>",
          "savedAmount": {
            "value": 123,
            "currency": "USD"
          }
        },
        "metadata": {}
      }
    ],
    "costs": {
      "subtotal": {
        "value": 123,
        "currency": "USD"
      },
      "commissionFee": {
        "value": 123,
        "currency": "USD"
      },
      "total": {
        "value": 123,
        "currency": "USD"
      }
    }
  },
  "error": {}
}