HTS tariff classification and duty rates for supply-chain and customs agents. POST /v1/trade with an {hs_code} and get the classification and duty references as one JSON object. Deterministic per tariff schedule. Pay per request in USDC; no account, no API key.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0xF732...B829 |