# Services from dutyfinch.cybermaxtools.com on Zero

> dutyfinch.cybermaxtools.com serves 5 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/dutyfinch.cybermaxtools.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/dutyfinch.cybermaxtools.com/health.json

## Services

- [Dutyfinch HTS Code Duty Rate Lookup](https://www.zero.xyz/c/dutyfinch-hts-code-duty-rate-lookup-45f26a89/llms.txt): $0.012/call via x402. Returns US import duty rates and China Section 301 tariff information for a given HTS code in a single API call
- [Dutyfinch US Duty Rate & China Tariff Lookup](https://www.zero.xyz/c/dutyfinch-us-duty-rate-china-tariff-lookup-bc3f384e/llms.txt): $0.012/call via x402. Returns US import duty rates and Section 301 China tariff data for a given HTS code in a single API call
- [Dutyfinch US Duty Rate & China Tariff Search](https://www.zero.xyz/c/dutyfinch-us-duty-rate-china-tariff-search-d83f6dea/llms.txt): $0.012/call via x402. Looks up US import duty rates and China Section 301 tariffs by HTS code or product description in a single API call
- [Dutyfinch China Deal Tariff Lookup](https://www.zero.xyz/c/dutyfinch-china-deal-tariff-lookup-d82f9ed7/llms.txt): $0.012/call via x402. Returns US duty rates and China-specific Section 301 tariffs for a given HTS code in a single API call
- [Dutyfinch Section 301 Tariff Checker](https://www.zero.xyz/c/dutyfinch-section-301-tariff-checker-b0898e94/llms.txt): $0.012/call via x402. Returns US import duty rates and China Section 301 tariff data for a given HTS code in a single API call

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)