generated: '2026-07-24'
method: derived
source: openapi/helcim-api.json paths + component schemas
entities:
- name: Customer
  id_field: customerId
  schema: Customer
  domain: customers
- name: Card
  id_field: cardId
  schema: Card / CardResponse
  domain: customers/{customerId}/cards
- name: BankAccount
  id_field: bankAccountId
  schema: BankAccount / BankAccountResponse
  domain: customers/{customerId}/bank-accounts
- name: PAD
  id_field: padId
  schema: Pad
  domain: customers/{customerId}/bank-accounts/{bankAccountId}/pads
- name: Invoice
  id_field: invoiceId
  schema: InvoiceResponse
  domain: invoices
- name: CardTransaction
  id_field: cardTransactionId
  schema: SuccessfulPaymentResponse
  domain: card-transactions
- name: CardBatch
  id_field: cardBatchId
  schema: CardBatch
  domain: card-batches
- name: AchTransaction
  id_field: transactionId
  schema: TransactionEft
  domain: ach/transactions
- name: AchBatch
  id_field: batchId
  schema: AchBatch
  domain: ach/batches
- name: CardTerminal
  id_field: terminalId
  schema: CardTerminal
  domain: card-terminals
- name: Device
  id_field: code
  schema: Device
  domain: devices
relationships:
- from: Card
  to: Customer
  type: belongs_to
  via: customerId
- from: BankAccount
  to: Customer
  type: belongs_to
  via: customerId
- from: PAD
  to: BankAccount
  type: belongs_to
  via: bankAccountId
- from: Customer
  to: Card
  type: has_many
  via: cards
- from: Customer
  to: BankAccount
  type: has_many
  via: bank-accounts
- from: CardTransaction
  to: CardBatch
  type: belongs_to
  via: cardBatchId
- from: CardBatch
  to: CardTransaction
  type: has_many
  via: transactions
- from: AchTransaction
  to: AchBatch
  type: belongs_to
  via: batchId
- from: CardTransaction
  to: Customer
  type: belongs_to
  via: customerCode
- from: CardTransaction
  to: Invoice
  type: belongs_to
  via: invoiceNumber