Change detection ($0.05) — sha256 fingerprint of any URL with a compact diff when it changes. Pass the hash back on the next call; stateless, nothing stored. Toll: $0.05 USDC on Base or Solana.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.05 USDC | 0x8BE8...96C0 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.05 tokens | CDhLHt...Wb2e |