Ask a watch what changed ($0.01). Pass the ticket from /v1/watch/start. Compares the token now with the last poll and returns plain-language alerts, if any. Not charged if the market data is unavailable or the watch has expired.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0x058D...21B2 |