generated: '2026-07-20'
method: derived
source: https://developer.provablemarkets.com/api/connectapi
note: >-
  Entity graph derived from the documented Aurora Connect services and their
  lifecycle operations/events. No OpenAPI/proto schema is published publicly, so
  field-level detail is not asserted; relationships reflect the securities-lending
  domain the services model.
entities:
  - name: Company
    service: CompanyService
    description: Eligible counterparty / participant company
  - name: Instrument
    service: InstrumentService
    description: Eligible security available to trade (borrow/loan)
  - name: Order
    service: OmsService
    description: Borrow or loan order placed into the order book
  - name: OrderBook
    service: VenueService
    description: Aggregated resting orders for an instrument on the venue
  - name: ContractRequest
    service: ContractRequestService
    description: Proposed manual (bilateral) contract awaiting accept/decline
  - name: Contract
    service: ContractService
    description: An executed/open securities-lending contract with full lifecycle (returns, recalls, rolls)
  - name: Execution
    service: ExecutionService
    description: A match/fill event acknowledgable by the participant
  - name: Agreement
    service: AgreementService
    description: Counterparty master/legal agreement governing trading
relationships:
  - from: Order
    to: Instrument
    type: belongs_to
    via: instrument
  - from: Order
    to: Company
    type: belongs_to
    via: counterparty
  - from: OrderBook
    to: Instrument
    type: belongs_to
    via: instrument
  - from: Execution
    to: Order
    type: belongs_to
    via: order
  - from: Contract
    to: Execution
    type: has_many
    via: execution
  - from: Contract
    to: Instrument
    type: belongs_to
    via: instrument
  - from: Contract
    to: Company
    type: belongs_to
    via: counterparty
  - from: ContractRequest
    to: Contract
    type: has_one
    via: contract
  - from: Contract
    to: Agreement
    type: belongs_to
    via: agreement
  - from: Agreement
    to: Company
    type: belongs_to
    via: counterparty