Alpaca Trading & Market Data API
by Alpaca
Commission-free stock and crypto trading API. Real-time market data, trade execution, portfolio management for US equities and cryptocurrencies.
tradesmarket-datastocks+1
332 txns
5 agents
by Polymarket Data
Real-time Polymarket prediction market data including trades, prices, and market activity
curl -fsSL https://serendb.com/install.sh | bashPay per API call via x402 protocol
by Alpaca
Commission-free stock and crypto trading API. Real-time market data, trade execution, portfolio management for US equities and cryptocurrencies.
by Kalshi
Access Kalshi prediction markets for real-time odds on elections, economics, and world events. Supports both read-only market data and authenticated trading.
by Trading Strategy
Comprehensive vault performance and yield database with 1000+ vaults across 20+ chains and dozens of digital asset management protocols. Includes returns, Sharpe, volatility, fees, and risk ratings.