{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://developer.avalara.com/schemas/avalara/transaction.json",
  "title": "Avalara Tax Transaction",
  "description": "A tax transaction represents a taxable event such as a sale, purchase, or return processed through the AvaTax API. It contains header-level information, line items, calculated tax amounts, and jurisdiction details.",
  "type": "object",
  "required": ["type", "companyCode", "date", "customerCode", "lines"],
  "properties": {
    "id": {
      "type": "integer",
      "description": "Unique identifier for the transaction"
    },
    "code": {
      "type": "string",
      "description": "Unique transaction code assigned by the client or auto-generated"
    },
    "companyCode": {
      "type": "string",
      "description": "Code identifying the company that owns this transaction"
    },
    "type": {
      "type": "string",
      "enum": ["SalesOrder", "SalesInvoice", "PurchaseOrder", "PurchaseInvoice", "ReturnOrder", "ReturnInvoice"],
      "description": "The document type for this transaction"
    },
    "status": {
      "type": "string",
      "enum": ["Temporary", "Saved", "Posted", "Committed", "Cancelled", "Adjusted"],
      "description": "Current lifecycle status of the transaction"
    },
    "date": {
      "type": "string",
      "format": "date",
      "description": "Date of the transaction"
    },
    "customerCode": {
      "type": "string",
      "description": "Unique code identifying the customer for this transaction"
    },
    "currencyCode": {
      "type": "string",
      "pattern": "^[A-Z]{3}$",
      "description": "Three-character ISO 4217 currency code"
    },
    "commit": {
      "type": "boolean",
      "default": false,
      "description": "Whether the transaction should be committed immediately"
    },
    "totalAmount": {
      "type": "number",
      "description": "Total amount of the transaction before tax"
    },
    "totalTax": {
      "type": "number",
      "description": "Total tax calculated for the transaction"
    },
    "totalTaxable": {
      "type": "number",
      "description": "Total taxable amount"
    },
    "totalExempt": {
      "type": "number",
      "description": "Total exempt amount"
    },
    "totalDiscount": {
      "type": "number",
      "description": "Total discount applied"
    },
    "totalTaxCalculated": {
      "type": "number",
      "description": "Total tax calculated before any adjustments"
    },
    "addresses": {
      "type": "object",
      "description": "Address information for the transaction",
      "properties": {
        "shipFrom": {
          "$ref": "#/$defs/Address"
        },
        "shipTo": {
          "$ref": "#/$defs/Address"
        },
        "pointOfOrderOrigin": {
          "$ref": "#/$defs/Address"
        },
        "pointOfOrderAcceptance": {
          "$ref": "#/$defs/Address"
        }
      }
    },
    "lines": {
      "type": "array",
      "minItems": 1,
      "items": {
        "$ref": "#/$defs/TransactionLine"
      },
      "description": "Line items included in this transaction"
    },
    "summary": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/TaxSummary"
      },
      "description": "Tax summary broken down by jurisdiction"
    },
    "createdDate": {
      "type": "string",
      "format": "date-time",
      "description": "Date and time the transaction was created"
    },
    "modifiedDate": {
      "type": "string",
      "format": "date-time",
      "description": "Date and time the transaction was last modified"
    }
  },
  "$defs": {
    "Address": {
      "type": "object",
      "description": "A physical address used for tax jurisdiction determination",
      "properties": {
        "line1": {
          "type": "string",
          "description": "Street address line 1"
        },
        "line2": {
          "type": "string",
          "description": "Street address line 2"
        },
        "line3": {
          "type": "string",
          "description": "Street address line 3"
        },
        "city": {
          "type": "string",
          "description": "City name"
        },
        "region": {
          "type": "string",
          "description": "State, province, or region code"
        },
        "postalCode": {
          "type": "string",
          "description": "Postal code or ZIP code"
        },
        "country": {
          "type": "string",
          "pattern": "^[A-Z]{2}$",
          "description": "Two-character ISO 3166 country code"
        },
        "latitude": {
          "type": "number",
          "minimum": -90,
          "maximum": 90
        },
        "longitude": {
          "type": "number",
          "minimum": -180,
          "maximum": 180
        }
      }
    },
    "TransactionLine": {
      "type": "object",
      "description": "A single line item within a tax transaction",
      "required": ["amount"],
      "properties": {
        "number": {
          "type": "string",
          "description": "Line number within the transaction"
        },
        "quantity": {
          "type": "number",
          "minimum": 0,
          "default": 1,
          "description": "Quantity of items"
        },
        "amount": {
          "type": "number",
          "description": "Total amount for this line"
        },
        "taxCode": {
          "type": "string",
          "description": "Avalara tax code for this line item"
        },
        "itemCode": {
          "type": "string",
          "description": "Product or service item code"
        },
        "description": {
          "type": "string",
          "description": "Description of the line item"
        },
        "discountAmount": {
          "type": "number",
          "description": "Discount amount applied to this line"
        },
        "exemptionCode": {
          "type": "string",
          "description": "Exemption code for tax-exempt purchases"
        },
        "tax": {
          "type": "number",
          "description": "Calculated tax for this line"
        },
        "taxableAmount": {
          "type": "number",
          "description": "Taxable amount after exemptions"
        },
        "exemptAmount": {
          "type": "number",
          "description": "Amount exempt from tax"
        },
        "addresses": {
          "type": "object",
          "properties": {
            "shipFrom": {
              "$ref": "#/$defs/Address"
            },
            "shipTo": {
              "$ref": "#/$defs/Address"
            }
          }
        }
      }
    },
    "TaxSummary": {
      "type": "object",
      "description": "Tax calculation summary for a specific jurisdiction",
      "properties": {
        "country": {
          "type": "string",
          "description": "Country code"
        },
        "region": {
          "type": "string",
          "description": "State or province code"
        },
        "jurisType": {
          "type": "string",
          "enum": ["Country", "State", "County", "City", "Special"],
          "description": "Jurisdiction type"
        },
        "jurisCode": {
          "type": "string",
          "description": "Jurisdiction code"
        },
        "jurisName": {
          "type": "string",
          "description": "Jurisdiction name"
        },
        "taxType": {
          "type": "string",
          "description": "Type of tax (e.g., Sales, Use, VAT)"
        },
        "rate": {
          "type": "number",
          "minimum": 0,
          "maximum": 1,
          "description": "Tax rate as a decimal"
        },
        "tax": {
          "type": "number",
          "description": "Tax amount for this jurisdiction"
        },
        "taxable": {
          "type": "number",
          "description": "Taxable amount in this jurisdiction"
        },
        "exempt": {
          "type": "number",
          "description": "Exempt amount in this jurisdiction"
        }
      }
    }
  }
}