Watch any public page for changes: we fetch it now (robots.txt respected), fingerprint its text and return a token. Send that token next time and get changed yes/no plus the blocks added and removed since your last check. Nothing is stored on our side. Option to ignore number-only changes. POST {url, token}.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.002000 USDC | 0xbA7d...3442 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.00 tokens | Byc8eb...CT4Q |
| Polygon | exact | $0.002000 USDC | 0xbA7d...3442 |
| Arbitrum One | exact | $0.002000 USDC | 0xbA7d...3442 |