Tardis

Provides tick-by-tick historical cryptocurrency market data including order book snapshots and incremental updates, trades, open interest, funding rates, options chains and liquidations to reconstruct limit order book state at any past moment and support backtesting and analysis. Sells to developers and data and finance teams in businesses that build trading systems and research crypto markets. Delivered as an infrastructure API and SaaS via Python and Node.js client libraries and downloadable CSV files covering spot, perpetuals, futures and options across leading exchanges.

Key features

• Tick-by-tick order book snapshots
• Incremental L2 order book updates
• L3 order book data
• Trades and liquidations
• Open interest data
• Funding rates
• Options chains
• Borrow/lending rates
• Futures, swaps, options, spot coverage
• Historical tick data replay
• API access via Python client
• API access via Node.js client
• Downloadable CSV files
• Reconstruct limit order book state