generated: '2026-10-14'
method: derived
generator: derive-data-model.py
source:
- openapi/billieio-billie-direct-api-openapi.yml
notation: has_one = property $ref; has_many = array of $ref; belongs_to = <entity>_id field
summary:
  entities: 30
  entities_in_spec: 30
  relationships: 43
entities:
- name: Address
  fields: 5
- name: AddressStrictPostalCode
  fields: 5
- name: AmountDTO
  fields: 3
  description: The amount object with split values for net, gross and tax
- name: AuthorizationAmount
  fields: 3
  description: The amount object with split values for net, gross and tax
- name: BankAccount
  fields: 2
- name: CreateCreditNoteRequest
  fields: 4
  description: Create Credit Note
- name: CreateInvoiceRequest
  fields: 6
- name: CreateOrderAddressRequest
  fields: 7
- name: CreateOrderDebtorCompanyRequest
  fields: 13
- name: CreateOrderDebtorPersonRequest
  fields: 6
- name: CreateOrderLineItemRequest
  fields: 16
- name: CreateOrderRequest
  fields: 9
- name: Debtor
  fields: 5
- name: DebtorExternalData
  fields: 4
- name: ErrorsObject
  fields: 1
- name: GetInvoiceResponse
  fields: 13
  description: Get Invoice Response
- name: HppCheckoutSessionECommerce
  fields: 11
- name: HppCheckoutSessionInstore
  fields: 11
- name: HppCheckoutSessionTelesales
  fields: 11
- name: LegacyCreateOrderDebtorCompanyRequest
  fields: 18
- name: LineItemsRequest
  fields: 18
  description: Line Item Request
- name: OauthClientCredentialsGrantRequestBodyParams
  fields: 3
- name: OauthTokenResponseBody
  fields: 3
- name: Order
  fields: 13
- name: OrderInvoiceResponse
  fields: 14
- name: PaymentMethod
  fields: 2
- name: ShippingInfo
  fields: 7
  description: Shipping information for tracking, delivery, method.
- name: TaxedMoney
  fields: 3
- name: UpdateInvoiceRequest
  fields: 2
  description: Invoice Update Request
- name: UpdateOrderRequest
  fields: 2
relationships:
- from: Debtor
  to: Address
  type: has_one
  via: company_address
- from: Debtor
  to: Address
  type: has_one
  via: billing_address
- from: Debtor
  to: BankAccount
  type: has_one
  via: bank_account
- from: Debtor
  to: DebtorExternalData
  type: has_one
  via: external_data
- from: DebtorExternalData
  to: Address
  type: has_one
  via: address
- from: Order
  to: TaxedMoney
  type: has_one
  via: amount
- from: Order
  to: TaxedMoney
  type: has_one
  via: unshipped_amount
- from: Order
  to: Address
  type: has_one
  via: delivery_address
- from: Order
  to: Debtor
  type: has_one
  via: debtor
- from: Order
  to: OrderInvoiceResponse
  type: has_many
  via: invoices
- from: CreateOrderLineItemRequest
  to: AmountDTO
  type: has_one
  via: amount
- from: HppCheckoutSessionECommerce
  to: AuthorizationAmount
  type: has_one
  via: amount
- from: HppCheckoutSessionECommerce
  to: Order
  type: belongs_to
  via: order_id
- from: HppCheckoutSessionECommerce
  to: CreateOrderAddressRequest
  type: has_one
  via: delivery_address
- from: HppCheckoutSessionECommerce
  to: CreateOrderAddressRequest
  type: has_one
  via: billing_address
- from: HppCheckoutSessionECommerce
  to: LegacyCreateOrderDebtorCompanyRequest
  type: has_one
  via: debtor_company
- from: HppCheckoutSessionECommerce
  to: CreateOrderLineItemRequest
  type: has_many
  via: line_items
- from: HppCheckoutSessionTelesales
  to: AuthorizationAmount
  type: has_one
  via: amount
- from: HppCheckoutSessionTelesales
  to: Order
  type: belongs_to
  via: order_id
- from: HppCheckoutSessionTelesales
  to: CreateOrderAddressRequest
  type: has_one
  via: delivery_address
- from: HppCheckoutSessionTelesales
  to: CreateOrderAddressRequest
  type: has_one
  via: billing_address
- from: HppCheckoutSessionTelesales
  to: LegacyCreateOrderDebtorCompanyRequest
  type: has_one
  via: debtor_company
- from: HppCheckoutSessionTelesales
  to: CreateOrderLineItemRequest
  type: has_many
  via: line_items
- from: HppCheckoutSessionInstore
  to: AuthorizationAmount
  type: has_one
  via: amount
- from: HppCheckoutSessionInstore
  to: Order
  type: belongs_to
  via: order_id
- from: HppCheckoutSessionInstore
  to: CreateOrderAddressRequest
  type: has_one
  via: delivery_address
- from: HppCheckoutSessionInstore
  to: CreateOrderAddressRequest
  type: has_one
  via: billing_address
- from: HppCheckoutSessionInstore
  to: LegacyCreateOrderDebtorCompanyRequest
  type: has_one
  via: debtor_company
- from: HppCheckoutSessionInstore
  to: CreateOrderLineItemRequest
  type: has_many
  via: line_items
- from: CreateOrderDebtorCompanyRequest
  to: AddressStrictPostalCode
  type: has_one
  via: company_address
- from: CreateOrderDebtorCompanyRequest
  to: Address
  type: has_one
  via: billing_address
- from: CreateOrderRequest
  to: AmountDTO
  type: has_one
  via: amount
- from: CreateOrderRequest
  to: Address
  type: has_one
  via: delivery_address
- from: CreateOrderRequest
  to: CreateOrderDebtorCompanyRequest
  type: has_one
  via: debtor
- from: CreateOrderRequest
  to: CreateOrderDebtorPersonRequest
  type: has_one
  via: debtor_person
- from: CreateOrderRequest
  to: CreateOrderLineItemRequest
  type: has_many
  via: line_items
- from: UpdateOrderRequest
  to: AmountDTO
  type: has_one
  via: amount
- from: GetInvoiceResponse
  to: AmountDTO
  type: has_one
  via: amount
- from: CreateInvoiceRequest
  to: ShippingInfo
  type: has_one
  via: shipping_info
- from: CreateInvoiceRequest
  to: AmountDTO
  type: has_one
  via: amount
- from: CreateInvoiceRequest
  to: LineItemsRequest
  type: has_many
  via: line_items
- from: CreateCreditNoteRequest
  to: AmountDTO
  type: has_one
  via: amount
- from: CreateCreditNoteRequest
  to: LineItemsRequest
  type: has_many
  via: line_items