generated: '2026-07-17'
method: derived
source: openapi/pennylane-openapi.yml
notes: >-
  Entity-relationship graph derived from the Pennylane Company API v2 operations and
  the documented object references. Ids are internal Pennylane integers. Relationships
  reflect how invoicing, accounting, banking, and contact resources reference one another.
entities:
- name: Company
  description: The company (or firm-managed client) the token is scoped to; root of /me.
- name: Customer
  description: Company or individual customer.
- name: Supplier
  description: Company or individual supplier.
- name: Product
  description: Catalog item used on invoices, quotes, and subscriptions.
- name: CustomerInvoice
  description: Sales invoice / credit note (draft or finalized), optionally an e-invoice.
- name: SupplierInvoice
  description: Accounts-payable invoice.
- name: Quote
  description: Sales quote/estimate convertible to a customer invoice.
- name: BillingSubscription
  description: Recurring billing that generates monthly customer invoices.
- name: BankAccount
  description: A bank account under an establishment.
- name: Transaction
  description: Banking transaction, matched to invoices during reconciliation.
- name: Journal
  description: Accounting journal.
- name: LedgerAccount
  description: Chart-of-accounts ledger account.
- name: LedgerEntry
  description: Double-entry accounting entry.
- name: LedgerEntryLine
  description: A line within a ledger entry.
- name: Category
  description: Analytical / categorization group.
- name: Mandate
  description: SEPA or GoCardless direct-debit mandate.
- name: PaRegistration
  description: Plateforme Agréée e-invoicing registration.
relationships:
- from: CustomerInvoice
  to: Customer
  type: belongs_to
  via: customer
- from: CustomerInvoice
  to: Product
  type: has_many
  via: line_items
- from: CustomerInvoice
  to: Transaction
  type: has_many
  via: matched_transactions
- from: SupplierInvoice
  to: Supplier
  type: belongs_to
  via: supplier
- from: Quote
  to: Customer
  type: belongs_to
  via: customer
- from: Quote
  to: CustomerInvoice
  type: has_one
  via: converted_invoice
- from: BillingSubscription
  to: Customer
  type: belongs_to
  via: customer
- from: BillingSubscription
  to: Mandate
  type: has_one
  via: mandate
- from: Mandate
  to: Customer
  type: belongs_to
  via: customer
- from: Transaction
  to: BankAccount
  type: belongs_to
  via: bank_account
- from: LedgerEntry
  to: Journal
  type: belongs_to
  via: journal
- from: LedgerEntry
  to: LedgerEntryLine
  type: has_many
  via: lines
- from: LedgerEntryLine
  to: LedgerAccount
  type: belongs_to
  via: ledger_account
- from: Customer
  to: Category
  type: has_many
  via: categories