FIX APIs
FIX API Reference
Full specification and message documentation for the Gemini Financial Information eXchange (FIX) protocol, organized by category.
FIX Overview & DictionarySession setup, logon/logout, sequence numbers, heartbeat, standard headers/trailers, and custom tags.
Overview
Order EntrySubmit, cancel, and manage Limit, Market, and Stop-Limit orders, third-party orders, and Gemini Clearing.
Trading
Market DataSubscribe to real-time market data streams, symbol lists, order books, and trade execution updates over FIX.
Market Data
Drop CopyReal-time trade capture reports, multi-session trade monitoring, and risk management compliance.
Drop Copy