Modern Trading Platform
API Documentation
TradeRelay API uses simple JSON format for seamless integration with Alpaca, Polymarket, and Kalshi. Execute trades across stocks, crypto, and prediction markets with any language that supports HTTP requests (POST).
curl -X POST "https://api.traderelay.net/trade" \
-H "Content-Type: application/json" \
-d '{
"apiKey": "YOUR_API_KEY",
"platform": "alpaca",
"action": "buy",
"symbol": "AAPL",
"quantity": 10,
"orderType": "market"
}'