Deterministically gate caller-supplied field contracts before ingestion, migration, CI deployment, or machine-to-machine handoff; returns stable incompatibility codes and remediation actions without fetching data or validating API behavior.
Coinbase Agentic Market feed · snapshot May 2026 (not live on-chain)
| From | Amount | When |
|---|---|---|
| 0x7e6b65…2b1c | $0.0010 | 2026-09-09T21:47:47 |