IndieStore
Customer first launching platform
TariffsAPI
The definitive US import duty calculator and tariff API.
Stop guessing your landed cost—get instant, accurate duty lookups for every HTS code and country of origin with clean JSON for seamless integration.
Value Proposition
Provides developers and importers with real-time, authoritative US tariff data and duty calculations, enabling accurate landed cost estimation and compliance.
Problem Solved
Eliminates guesswork and manual spreadsheet errors in calculating US import duties by delivering deterministic, up-to-date tariff data via API.
Target Audience
B2B
Life Without TariffsAPI
Life With TariffsAPI
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.
