Explains an EVM transaction in plain language: decoded intent, asset movements, approvals, and risk flags. POST /v1/tool with {tx_hash, chain_id}, or GET /v1/explain with query params, and get one JSON object with a summary, moved assets, gas, parties, and risk flags. Deterministic for identical input. Pay per request in USDC; no account, no API key.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0xF732...B829 |