Paid ($0.01 USDC via x402). Most recent Polymarket feed item — mover, whale entry (with calibration), or predetermined signal. Same shape as /v1/signal without ?index. Free index poll: GET /v1/index; free shape preview: GET /v1/sample. Compute-first / settle-after — you are never charged for an error.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0xf444...14a0 |