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Changelog

February 20, 2026

Order book trading

  • Added POST /api/v5/trade/mass-cancel to cancel all open orders for a given instrument family in a single request, primarily for options market makers.
  • The attachAlgoOrds parameter on POST /api/v5/trade/order now supports attaching multiple take-profit / stop-loss brackets to a single order.
  • Added the linkedAlgoOrd field to GET /api/v5/trade/order responses, surfacing the algo order id linked to a placed order.