{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "promotion": {
      "type": "object",
      "properties": {
        "amount": {
          "type": "string"
        },
        "title": {
          "type": "string"
        },
        "description": {
          "type": "string"
        },
        "value": {
          "type": "string"
        },
        "value_type": {
          "type": "string"
        },
        "applicable": {
          "type": "boolean"
        }
      }
    },
    "delivery_instructions" : {
      "type": "string"
    },
    "billing_address": {
      "type": "object",
      "properties": {
        "address1": {
          "type": "string"
        },
        "address2": {
          "type": "string"
        },
        "city": {
          "type": "string"
        },
        "country": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "phone": {
          "type": "string"
        },
        "state": {
          "type": "string"
        },
        "zip": {
          "type": "string"
        }
      },
      "required": [
        "address1",
        "city",
        "country",
        "name",
        "phone",
        "state",
        "zip"
      ]
    },
    "shipping_address": {
      "type": "object",
      "properties": {
        "address1": {
          "type": "string"
        },
        "address2": {
          "type": "string"
        },
        "city": {
          "type": "string"
        },
        "country": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "phone": {
          "type": "string"
        },
        "state": {
          "type": "string"
        },
        "zip": {
          "type": "string"
        }
      },
      "required": [
        "address1",
        "city",
        "country",
        "name",
        "phone",
        "state",
        "zip"
      ]
    },
    "line_items": {
      "type": "array",
      "items": [
        {
          "type": "object",
          "properties": {
            "price": {
              "type": "number"
            },
            "product_id": {
              "type": "string"
            },
            "quantity": {
              "type": "integer"
            },
            "sku": {
              "type": "string"
            }
          },
          "required": [
            "price",
            "product_id",
            "quantity",
            "sku"
          ]
        }
      ]
    },
    "user_info": {
      "type": "object",
      "properties": {
        "userId": {
          "type": "string"
        },
        "email": {
          "type": "string"
        },
        "customer_id": {
          "type": "string"
        },
        "username": {
          "type": "string"
        }
      },
      "required": [
        "userId",
        "email",
        "username"
      ]
    },
    "currency": {
      "type": "object",
      "properties": {
        "currency": {
          "type": "string"
        }
      },
      "required": [
        "currency"
      ]
    },
    "payment": {
      "type": "object",
      "properties": {
        "mode": {
          "type": "string"
        },
        "credit_card_number": {
          "type": "string"
        },
        "card_expiry_date": {
          "type": "object",
          "properties": {
            "year": {
              "type": "integer"
            },
            "month": {
              "type": "integer"
            },
            "day": {
              "type": "integer"
            }
          },
          "required": [
            "year",
            "month",
            "day"
          ]
        },
        "card_cvv": {
          "type": "string"
        },
        "name_on_card": {
          "type": "string"
        }
      },
      "required": [
        "credit_card_number",
        "card_expiry_date",
        "card_cvv",
        "name_on_card"
      ]
    }
  },
  "required": [
    "billing_address",
    "shipping_address",
    "line_items",
    "user_info",
    "currency",
    "payment"
  ]
}