GeminiGemini
Demo environmentGet API key
  • Overview
  • Crypto Trading
  • Prediction Markets
  • Perpetuals
  • Stocks
  • API Reference
  • SDKs & Tools
Changelog
Gemini logoGemini logo

© 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
      Market Data
      Drop Copy
        Introduction
        Workflow
        Client-Bound Messages
        Examples
        Identifiers
          Client-Supplied IdentifiersIdentifiers Assigned by Gemini
        Party IDs & Roles
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
Identifiers

Identifiers assigned by Gemini

Identifiers

TagNameDefined InDescription
49SenderCompIDStandard HeaderAssigned value used to identify the message is sent from Gemini to the client, GEMINI
56TargetCompIDStandard HeaderAssigned value used to identify the firm receiving the message, e.g. CLIENT-DC
571TradeReportIDTrade Capture Report <AE>Globally unique event identifier
448PartyIDTrade Capture Report <AE>The party that placed the trade.

- For FIX sessions, the CompID of the sender
- For API sessions, the session identifier (which is the API key of the sendder)
- For orders placed on the website, UI
Client-Supplied IdentifiersFields
On this page
  • Identifiers