generated: '2026-07-23'
method: derived
source: openapi/moneris-unified-api-openapi.json
notes: >-
  Entity-relationship graph derived from the Moneris Unified API (v2.6.1) path
  structure and id-reference fields across request/response schemas. Relationships
  are inferred from foreign-key style fields (paymentId, customerId,
  paymentMethodId, subscriptionId, merchantId, orderId, etc.) and nested path
  segments (e.g. /onboarding/merchants/{merchant-id}/orders/{order-id}).
entities:
  - name: Customer
    id_field: id
    path: /customers
    description: Customer profile holding non-payment contact details.
  - name: PaymentMethod
    id_field: id
    path: /payment-methods
    description: Stored/tokenized card or wallet credential (card-on-file).
  - name: Payment
    id_field: id
    path: /payments
    description: Card payment (purchase, pre-auth, completion, increment).
  - name: Refund
    id_field: id
    path: /refunds
    description: Payment refund or independent refund.
  - name: Subscription
    id_field: id
    path: /subscriptions
    description: Recurring-billing subscription series.
  - name: Validation
    id_field: id
    path: /validations
    description: Card validation request.
  - name: Authentication
    id_field: id
    path: /three-d-secure/authentications
    description: 3-D Secure cardholder authentication.
  - name: KountInquiry
    id_field: id
    path: /kount-inquiries
    description: Kount fraud/risk inquiry.
  - name: MultiCurrencyPricingRate
    id_field: id
    path: /multi-currency-pricing-rates
    description: Locked FX rate lookup for MCP transactions.
  - name: Merchant
    id_field: merchantId
    path: /onboarding/merchants
    description: Third-party onboarded merchant.
  - name: Order
    id_field: merchantOrderId
    path: /onboarding/merchants/{merchant-id}/orders
    description: Terminal & service order for a merchant.
  - name: Dispute
    id_field: caseId
    path: /disputes/{case-id}/{case-record-number}
    description: Chargeback / dispute case.
relationships:
  - from: Payment
    to: PaymentMethod
    type: belongs_to
    via: paymentMethodId
  - from: Payment
    to: Customer
    type: belongs_to
    via: customerId
  - from: PaymentMethod
    to: Customer
    type: belongs_to
    via: customerId
  - from: Refund
    to: Payment
    type: belongs_to
    via: paymentId
  - from: Subscription
    to: PaymentMethod
    type: belongs_to
    via: paymentMethodId
  - from: Subscription
    to: Customer
    type: belongs_to
    via: customerId
  - from: Authentication
    to: PaymentMethod
    type: references
    via: cardLookupId / threeDSecureServerTransactionId
  - from: KountInquiry
    to: Payment
    type: references
    via: paymentId
  - from: Order
    to: Merchant
    type: belongs_to
    via: merchantId
  - from: Payment
    to: MultiCurrencyPricingRate
    type: references
    via: multiCurrencyPricingRateLookupId
  - from: Payment
    to: Subscription
    type: references
    via: subscriptionId