generated: '2026-07-20'
method: derived
source: openapi/one-trading-fast-openapi.yml
entities:
  - name: Currency
    key: code
    description: A tradable asset (crypto or fiat) with precision and collateral eligibility.
  - name: Instrument
    key: instrument_code
    description: A tradable market pair (base/quote) with precision and trading limits.
    fields: [base, quote]
  - name: Order
    key: order_id
    alt_keys: [client_id]
    description: A LIMIT order placed against an instrument.
  - name: Trade
    key: trade_id
    description: An executed fill; belongs to an order.
  - name: Position
    key: position_id
    description: A futures position; produces trades and funding payments.
  - name: FundingPayment
    description: A periodic funding cashflow on a futures position.
  - name: FundingRate
    key: instrument_code
    description: The funding rate for a perpetual/futures instrument.
  - name: FeeGroup
    key: fee_group_id
    description: A fee schedule (tiers) for a product type (e.g. SPOT).
  - name: Account
    key: account_id
    description: The account holder; may own subaccounts.
relationships:
  - { from: Instrument, to: Currency, type: belongs_to, via: base }
  - { from: Instrument, to: Currency, type: belongs_to, via: quote }
  - { from: Order, to: Instrument, type: belongs_to, via: instrument_code }
  - { from: Order, to: Account, type: belongs_to, via: account_id }
  - { from: Order, to: Trade, type: has_many, via: order_id }
  - { from: Trade, to: Instrument, type: belongs_to, via: instrument_code }
  - { from: Position, to: Instrument, type: belongs_to, via: instrument_code }
  - { from: Position, to: Trade, type: has_many, via: position_id }
  - { from: Position, to: FundingPayment, type: has_many, via: position_id }
  - { from: FundingRate, to: Instrument, type: belongs_to, via: instrument_code }
  - { from: FundingPayment, to: Instrument, type: belongs_to, via: instrument_code }
  - { from: Instrument, to: FeeGroup, type: belongs_to, via: fee_group_id }