Access BTC prediction market orderbook data updated every second. Historical data, arbitrage detection, and WebSocket streams for serious traders.
Real-time and historical data from BTC prediction markets. Built for algorithmic traders and quants.
Bid, ask, spread, and volume data updated every second. Markets: 1H, 15M, 4H timeframes.
Up to 1 year of tick-level data for backtesting. Export as JSON or CSV.
Automatic detection when UP + DOWN < $1.00. Get notified of risk-free opportunities.
Sub-second updates via WebSocket. No polling, no rate limits.
Enterprise-grade infrastructure. Redundant servers across multiple regions.
Generate keys instantly. No KYC, no waiting. Start in 30 seconds.
Get market data with a single API call. Works with any language. No SDK required.
Read Full Docs →import requests # Get current market data response = requests.get( "https://api.predictapi.dev/markets", headers={"X-API-Key": "YOUR_API_KEY"} ) data = response.json() # Access BTC 1H market m = data["markets"]["1h"] print(f"UP: ${m['up']['bid']} | DOWN: ${m['down']['bid']}") # Output: UP: $0.52 | DOWN: $0.47
Four endpoints. That's all you need.
Current bid, ask, spread, and volume for all BTC markets (1H, 15M, 4H)
Historical tick data. Specify hours (max depends on plan)
List of detected arbitrage opportunities where UP + DOWN < $1.00
Database stats: total records, oldest data, last update timestamp
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