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© 2026 Gemini Space Station, Inc.

Overview
Spot
    OverviewGet started
    Orders API
    Market Data API
    Fund Management API
    Instant Orders API
    WebSocket API
    FIX API
      Overview
      Order Entry
        IntroductionErrorsThird Party Support
        Workflow
        Exchange-Bound Messages
        Client-Bound Messages
          Execution ReportOrder Cancel RejectOrder Cancel Reasons
        Examples
        Identifiers
        Price & Quantity
        Gemini Clearing
      Market Data
      Drop Copy
Margin
    Overview
    Margin REST API
      Get Margin Account SummaryGet Margin Interest RatesPreview Margin Order Impact
Staking
    Overview
    Staking REST API
      List Staking BalancesStake Crypto FundsUnstake Crypto FundsList Staking Event HistoryList Staking RatesList Staking Rewards
Clearing
    Clearing REST API
      Clearing Orders
      Broker & Trade Operations
Client-Bound Messages

Order Cancel Reasons

Reasons orders are canceled include, but are not limited to:

  • MakerOrCancelWouldTake - A maker-or-cancel order would fill immediately
  • ImmediateOrCancelWouldPost - An immediate-or-cancel order would not fill immediately
  • FillOrKillWouldNotFill - A fill-or-kill order would not fully fill immediately
  • ExceedsPriceLimits - Exceeds price limits imposed by Gemini
  • SelfCrossPrevented - Crosses a pre-existing open order
  • MarketOrderSweptBook - Unable to completely fill the market order
Order Cancel RejectNew Order Single