Paid ($0.05 USDC via x402). Historical Polymarket Intelligence Digests (up to 7 days, 4h cadence) — track how prediction-market narratives evolved: ?hours=24&limit=6. Compute-first / settle-after — you are never charged for an error.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.05 USDC | 0xf444...14a0 |