About TariffsAPI
Stop guessing your landed cost—get instant, accurate duty lookups for every HTS code and country of origin with clean JSON for seamless integration.
Tired of managing TariffsAPI workflows?
Without TariffsAPI
×Manual spreadsheet calculations
×Outdated or scraped tariff data
×Unreliable duty estimates
×Complex multi-source data aggregation
With TariffsAPI
Accurate, official US tariff data
Real-time updates from government sources
Deterministic JSON API responses
Automated rate change alerts
Comprehensive coverage of all US trade measures
Questions & Answers
All tariff rates are sourced directly from official US government agencies including USTR, CBP, ITC HTS, Federal Register, and ITA ADCVD databases.
Base HTS data is refreshed weekly, while trade measure updates are captured daily and applied within 24 hours of publication.
Yes, it includes Section 301, Section 232, Section 122, IEEPA tariffs, antidumping, countervailing duties, and Chapter 99 modifiers.
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