{
  "$id": "https://github.com/api-evangelist/mastercard/blob/main/json-schema/transaction.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Mastercard Transaction",
  "description": "A financial transaction record processed through the Mastercard network, capturing the full lifecycle from authorization through settlement. Used across fraud detection, analytics, and reconciliation services.",
  "type": "object",
  "required": [
    "transactionId",
    "cardNumber",
    "transactionAmount",
    "transactionCurrencyCode",
    "transactionDate",
    "merchantId"
  ],
  "properties": {
    "transactionId": {
      "type": "string",
      "description": "Unique identifier for the transaction, generated using UUID logic.",
      "format": "uuid",
      "examples": ["ecb2d942-eabd-42b6-87fd-69c19692bdc6"]
    },
    "transactionIdentifiers": {
      "type": "array",
      "description": "One or more identifiers used to locate the transaction in the Mastercard Data Warehouse.",
      "items": {
        "$ref": "#/$defs/TransactionIdentifier"
      }
    },
    "cardNumber": {
      "type": "string",
      "description": "Primary Account Number (PAN) used in the transaction. Must pass Luhn algorithm validation.",
      "pattern": "^[0-9]{12,19}$",
      "minLength": 12,
      "maxLength": 19,
      "examples": ["5505135664572870000"]
    },
    "cardProductCode": {
      "type": "string",
      "description": "Three-character code identifying the type of card used in the transaction (e.g., MSI for Mastercard Standard, MWE for World Elite).",
      "minLength": 3,
      "maxLength": 3,
      "examples": ["MSI"]
    },
    "transactionAmount": {
      "type": "string",
      "description": "Transaction amount at the merchant location without decimal separators. Implied decimals depend on the currency.",
      "pattern": "^[0-9]+$",
      "minLength": 1,
      "maxLength": 12,
      "examples": ["10350"]
    },
    "transactionCurrencyCode": {
      "type": "string",
      "description": "ISO 4217 numeric currency code for the transaction amount.",
      "pattern": "^[0-9]{3}$",
      "minLength": 3,
      "maxLength": 3,
      "examples": ["826"]
    },
    "billingAmount": {
      "type": "string",
      "description": "Amount appearing on the cardholder statement in the cardholder billing currency, without decimals.",
      "pattern": "^[0-9]+$",
      "minLength": 1,
      "maxLength": 12,
      "examples": ["10350"]
    },
    "billingCurrencyCode": {
      "type": "string",
      "description": "ISO 4217 numeric currency code for the billing amount.",
      "pattern": "^[0-9]{3}$",
      "minLength": 3,
      "maxLength": 3,
      "examples": ["826"]
    },
    "transactionDate": {
      "type": "string",
      "description": "Local date at the merchant location when the transaction occurred, in YYYYMMDD format.",
      "pattern": "^\\d{4}(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01])$",
      "minLength": 8,
      "maxLength": 8,
      "examples": ["20240115"]
    },
    "transactionTime": {
      "type": "string",
      "description": "Local time at the merchant location when the transaction occurred, in HHmmss format.",
      "pattern": "^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]$",
      "minLength": 6,
      "maxLength": 6
    },
    "settlementDate": {
      "type": "string",
      "description": "Date the transaction was settled, in YYYYMMDD format.",
      "pattern": "^\\d{4}(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01])$",
      "minLength": 8,
      "maxLength": 8,
      "examples": ["20240116"]
    },
    "timestamp": {
      "type": "string",
      "description": "Timestamp of the request initiation in ISO 8601 format with CST timezone offset.",
      "format": "date-time",
      "examples": ["2024-02-02T02:34:37-06:00"]
    },
    "icaNumber": {
      "type": "string",
      "description": "Interbank Card Association (ICA) number of the issuer or acquirer initiating the request.",
      "minLength": 3,
      "maxLength": 7,
      "examples": ["1076"]
    },
    "acquirerId": {
      "type": "string",
      "description": "ICA number of the acquiring institution for the transaction.",
      "minLength": 3,
      "maxLength": 7,
      "examples": ["5450"]
    },
    "merchantId": {
      "type": "string",
      "description": "Card acceptor or merchant unique identification number assigned by the acquirer.",
      "minLength": 1,
      "maxLength": 15,
      "examples": ["A42E51982100100"]
    },
    "merchantName": {
      "type": "string",
      "description": "Name of the card acceptor.",
      "minLength": 1,
      "maxLength": 22,
      "examples": ["BANKNEWPORT"]
    },
    "merchantCity": {
      "type": "string",
      "description": "City in which the merchant is located.",
      "minLength": 1,
      "maxLength": 13,
      "examples": ["PHOENIX"]
    },
    "merchantStateProvinceCode": {
      "type": "string",
      "description": "State or province code where the merchant is located.",
      "minLength": 2,
      "maxLength": 3,
      "examples": ["AZ"]
    },
    "merchantCountryCode": {
      "type": "string",
      "description": "ISO 3166-1 alpha-3 country code where the merchant is located.",
      "minLength": 3,
      "maxLength": 3,
      "examples": ["USA"]
    },
    "merchantPostalCode": {
      "type": "string",
      "description": "Postal code at the merchant location.",
      "minLength": 1,
      "maxLength": 10,
      "examples": ["85001"]
    },
    "merchantCategoryCode": {
      "type": "string",
      "description": "Four-digit ISO 18245 Merchant Category Code (MCC) classifying the merchant business type.",
      "pattern": "^[0-9]{4}$",
      "minLength": 4,
      "maxLength": 4,
      "examples": ["6011"]
    },
    "terminalId": {
      "type": "string",
      "description": "Unique code identifying a terminal at the card acceptor location.",
      "minLength": 1,
      "maxLength": 8,
      "examples": ["5055D305"]
    },
    "terminalAttendanceIndicator": {
      "type": "string",
      "description": "Indicates if the card acceptor was attending the terminal at the time of the transaction.",
      "minLength": 1,
      "maxLength": 1
    },
    "terminalOperatingEnvironment": {
      "type": "string",
      "description": "Indicates whether the terminal is attended and its location environment.",
      "minLength": 1,
      "maxLength": 1
    },
    "terminalCapabilityIndicator": {
      "type": "string",
      "description": "Indicates the capability of the terminal to read card data.",
      "minLength": 1,
      "maxLength": 1
    },
    "posEntryMode": {
      "type": "string",
      "description": "Point of service entry mode indicating how the card number and expiration date were captured.",
      "maxLength": 3,
      "examples": ["051"]
    },
    "accountDeviceType": {
      "type": "string",
      "description": "Indicates if the account uses magnetic stripe, chip, PIN, contactless, or combinations thereof.",
      "minLength": 1,
      "maxLength": 1,
      "examples": ["1"]
    },
    "cardholderPresenceIndicator": {
      "type": "string",
      "description": "Indicates whether the cardholder was present at the point of transaction.",
      "minLength": 1,
      "maxLength": 1
    },
    "cardPresenceIndicator": {
      "type": "string",
      "description": "Indicates whether the card was present at the point of transaction.",
      "minLength": 1,
      "maxLength": 1
    },
    "catLevelIndicator": {
      "type": "string",
      "description": "Cardholder Activated Terminal (CAT) level indicator showing the type of automated terminal.",
      "minLength": 1,
      "maxLength": 1
    },
    "cvcInvalidIndicator": {
      "type": "string",
      "description": "Indicates whether the Card Verification Code (CVC) was invalid.",
      "minLength": 1,
      "maxLength": 1
    },
    "avsResponseCode": {
      "type": "string",
      "description": "Address Verification Service (AVS) response code from the authorization request.",
      "minLength": 1,
      "maxLength": 1,
      "examples": ["U"]
    },
    "authResponseCode": {
      "type": "string",
      "description": "Authorization response code indicating the result of the authorization request.",
      "minLength": 2,
      "maxLength": 2,
      "examples": ["01"]
    },
    "network": {
      "type": "string",
      "description": "Payment network through which the transaction was processed.",
      "enum": [
        "MASTERCARD",
        "MAESTRO",
        "CIRRUS"
      ]
    },
    "refId": {
      "type": "string",
      "description": "Reference identifier generated by the originator to link request and response messages.",
      "format": "uuid",
      "examples": ["ecb2d942-eabd-42b6-87fd-69c19692bdc6"]
    },
    "memo": {
      "type": "string",
      "description": "Brief description by the originator providing context for the transaction.",
      "maxLength": 1000
    }
  },
  "$defs": {
    "TransactionIdentifier": {
      "type": "object",
      "description": "An identifier used to locate a transaction within the Mastercard Data Warehouse. Exactly one of the identifier types should be provided.",
      "properties": {
        "banknetReferenceNumber": {
          "type": "string",
          "description": "Banknet Reference Number, a unique transaction identifier in the Mastercard network.",
          "maxLength": 9
        },
        "systemTraceAuditNumber": {
          "type": "string",
          "description": "System Trace Audit Number used to identify transactions.",
          "maxLength": 6
        },
        "authorizationCode": {
          "type": "string",
          "description": "Authorization code from the issuer.",
          "maxLength": 6
        },
        "switchSerialNumber": {
          "type": "string",
          "description": "Switch serial number assigned during transaction processing.",
          "maxLength": 22
        }
      }
    }
  }
}