Initialize the Lease for Checkout

Example request

{
  "code": "123456",
  "customer": {
    "billing": {
      "first_name": "jane",
      "middle_name": "Q",
      "last_name": "doe",
      "address": "123 main street",
      "address2": "apt 5b",
      "city": "New York",
      "state": "NY",
      "country": "United States",
      "zip": "10009",
      "phone": "5554324537",
      "email": "jqdoe@anonmail.com"
    },
    "shipping": {
      "first_name": "jane",
      "middle_name": "Q",
      "last_name": "doe",
      "address": "123 main street",
      "address2": "apt 5b",
      "city": "New York",
      "state": "NY",
      "country": "United States",
      "zip": "10009",
      "phone": "5554324537",
      "email": "jqdoe@anonmail.com"
    }
  },
  "items": [
    {
      "display_name": "Furniture Set",
      "sku": "FS3525",
      "unit_price": 700,
      "quantity": 1,
      "leasable": true,
      "warranty": {
        "price": 100,
        "name": "warranty name",
        "code": "warranty sku"
      }
    }
  ],
  "checkout": {
    "customer_id": "1000438727823",
    "discounts": [
      {
        "discount_name": "Birthday Discount",
        "discount_ammount": 50
      }
    ]
  },
  "urls": {
    "return": "https://yoursite.com/return",
    "cancel": "https://yoursite.com/cancel"
  },
  "phone": "6073393582"
}