SX Bet Developer Documentation

SX Bet is a decentralized, peer-to-peer sports prediction market where users trade directly against each other through an open orderbook. The REST API is public and free — no credentials needed to read market data.

Capabilities

• Fetch active markets across all supported sports and leagues
• Read real-time orderbook depth and best available odds
• Post maker (limit) orders with 0% maker fees
• Fill taker (market) orders against existing liquidity
• Cancel orders surgically, by event, or globally
• Subscribe to real-time WebSocket channels for odds, trades, orders, and live scores
• Query trade history and order status
• Manage exposure and heartbeat-based safety mechanisms
• Build and sign parlay (multi-leg) orders

Environments

| Environment | API | WebSocket | Chain ID |