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  • Crypto Trading
  • Prediction Markets
Changelog
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© 2026 Gemini Space Station, Inc.

Getting StartedAPI Specifications
Maker and Taker Incentives
    Market Maker ProgramMaker Rebate ProgramLiquidity Rewards ProgramTaker Rewards Program
WebSocket
    IntroductionAuthenticationMessage Format
    Streams
      Book TickerL2 Partial DepthL2 Differential DepthTrade StreamOrder EventsBalance UpdatesPosition UpdatesContract Status
    Playground
      OverviewconninfopingtimeSUBSCRIBEUNSUBSCRIBELIST_SUBSCRIPTIONSdepthorder.placeorder.cancelorder.cancel_allorder.cancel_session
REST APIs
    Combos
      List CombosGet ComboCreate Combo
    Events
    Volume
    Terms
    Order Management
    Positions
    Rewards
Combo Contracts
    Overview
Combos Request-for-Quote (RFQ)
    OverviewWebSocket StreamsQuote MethodsMaker IntegrationExamples
Tickers & Taxonomy
    OverviewCryptoSportsSports Market TaxonomyCommoditiesWeather
Schemas

Combos

REST APIsPrediction MarketsCombos

Combos (1.0.0)

Endpointhttps://api.gemini.com
API information

Use these endpoints to discover combo contracts, resolve a combo ticker to its leg breakdown, and create or retrieve a canonical combo. Order entry uses the same place/cancel endpoints as single contracts. These Combo Prediction Markets endpoints are not currently enabled in production.

List Combos
Get Combo
Create Combo
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List Combos
Last modified on August 11, 2026