Parsed Request POST Body
{
  "currency": "jpy",
  "items": [
    {
      "type": "sku",
      "parent": "kbu-0303057009",
      "quantity": "1"
    }
  ],
  "shipping": {
    "name": "*****",
    "address": {
      "country": "Japan",
      "line1": "****",
      "state": "Shimaneken",
      "postal_code": "*******"
    }
  },
  "email": "****@****.**"
}

Response body
{
  "error": {
    "message": "Order creation failed while contacting the provider.",
    "type": "card_error",
    "code": "order_creation_failed"
  }
}