generated: '2026-06-20'
method: derived
source: openapi/ (components.schemas $ref + id-reference fields)
provider: keycorp
entities:
- name: Account
  spec: openapi/keycorp-commercial-accounts-reporting-openapi.yml
  description: A client-authorized commercial KeyBank account with details and balances.
  key_fields: [accountId, accountCategory, balances]
- name: Transaction
  spec: openapi/keycorp-commercial-accounts-reporting-openapi.yml
  description: A prior-day or current-day posted transaction on an account.
  key_fields: [transactionId, amount, status]
- name: AchPayment
  spec: openapi/keycorp-ach-originations-openapi.yml
  description: An ACH origination batch/detail request (CCD/CTX/PPD/TEL/WEB) with addenda.
  key_fields: [uuid, secCode, traceNumber, effectiveDate]
- name: PaymentTransaction
  spec: openapi/keycorp-rtp-wire-payments-openapi.yml
  description: An RTP or Wire payment initiation with validation and status.
  key_fields: [requestReference, paymentType, paymentStatus]
- name: Participant
  spec: openapi/keycorp-rtp-wire-payments-openapi.yml
  description: An RTP/Wire network participant resolved by routing number.
  key_fields: [routingNumber, participantName]
- name: AccountValidation
  spec: openapi/keycorp-account-validation-openapi.yml
  description: An account/owner verification result against the National Shared Database Resource.
  key_fields: [accountNumber, acctStatus, acctOwner]
- name: WireTransaction
  spec: openapi/keycorp-wire-inquiry-openapi.yml
  key_fields: [transactionId, status]
- name: RtpTransaction
  spec: openapi/keycorp-rtp-inquiry-openapi.yml
  key_fields: [transactionId, status]
- name: AchTransaction
  spec: openapi/keycorp-ach-inquiry-openapi.yml
  key_fields: [parNumber, settlementTransactionId, status]
- name: CheckImage
  spec: openapi/keycorp-check-services-openapi.yml
  key_fields: [checkNumber, stopPayment]
relationships:
- from: Transaction
  to: Account
  type: belongs_to
  via: accountId
- from: AchPayment
  to: AchTransaction
  type: has_many
  via: uuid/traceNumber
  note: An originated ACH payment is later observed via ACH Inquiry by PAR / settlement id.
- from: PaymentTransaction
  to: Participant
  type: has_one
  via: routingNumber
  note: RTP/Wire initiation validates the counterparty via participant lookup.
- from: PaymentTransaction
  to: WireTransaction
  type: has_many
  via: transactionId
- from: PaymentTransaction
  to: RtpTransaction
  type: has_many
  via: transactionId
- from: AccountValidation
  to: Account
  type: references
  via: accountNumber
notes: >-
  KeyBank's commercial-banking domain is a payment-origination core (ACH / RTP /
  Wire) surrounded by inquiry/reporting projections and pre-flight validation.
  Correlation across origination and inquiry is by client-supplied uuid /
  traceNumber rather than a shared server-issued resource id.