Filter supplied amendment declarations by exact tenant, contract and a caller-selected time using half-open effective windows. Missing supersession means an unbounded declared end, not proof of a complete active agreement. Offline typed nonpersonal metadata only. Result retention: 24 hours; minimal receipt metadata: 90 days.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.04 USDC | 0xec84...de28 |