Free HS code and HTS search tool. Find the correct 6-digit HS and 10-digit HTS classification for 15+ product categories with 2026 tariff rates.
Free US customs duty calculator with 2026 HTS tariff data. Estimate import duties, Section 301 surcharges, landed costs, and MPF/HMF fees. Supports batch calculations for dropshippers, Amazon FBA sellers, and import businesses.
Parse, validate and look up HS (Harmonized System) codes, with MFN duty rates for the US, EU, UK and China.
MarkIt — independent third-party profile of a public API surface, by API Evangelist. MarkIt is a Y Combinator (Fall 2025) startup based in Atlanta, GA building AI agents that automate international trade compliance workflows. The platform performs defensible HS and HTS tariff-code classification, OCR processing of shipping documents, tariff managem
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