Historical Polymarket crowd accuracy score: % of markets where the final crowd majority correctly predicted the outcome, plus Brier score (calibration quality). Breakdowns by category — crypto, politics, sports, macro, equities, ai. Filter by category and lookback days. $0.004/call — 20% below closest x402 competitor. Source: Polymarket public API (no key required).
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.004000 USDC | 0x03d7...584c |