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.
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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