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US Tariff Lookup - HTS Codes & Import Duty Rates

Search the official US Harmonized Tariff Schedule (HTS) for import duty rates, trade program eligibility, and tariff classification. Data sourced directly from the US International Trade Commission (USITC) at hts.usitc.gov.

No API key required. Just enter a product keyword and get current duty rates.

What you get

• HTS Code — Full 10-digit Harmonized Tariff Schedule classification
• Product Description — Official tariff line description
• General (Column 1) Rate — MFN duty rate for normal trade relations countries
• Special Rate — Preferential rates under FTAs and trade programs (USMCA, KORUS, GSP, AGOA, etc.)
• Column 2 Rate — Rate for non-MFN countries
• Units of Quantity — kg, m2, liters, etc.
• Footnotes — Regulatory cross-references and additional duty notes

Use cases

Importers and customs brokers — Look up applicable duty rates for import cost analysis and customs classification.

Trade compliance teams — Verify HTS classification and check FTA eligibility for preferential rates.

Supply chain analysts — Evaluate tariff impact on sourcing decisions across product categories.

Market researchers — Assess trade barriers and duty rates before entering new product markets.

Policy analysts and journalists — Track tariff rates on products affected by trade policy changes.

Output Fields

Example Input

Search by product keyword:

{
"query":"steel",
"maxResults":100
}

Search by HTS code:

{
"query":"aluminum",
"htsCode":"76",
"maxResults":200
}

Example Searches

Data Source

All data comes from the US International Trade Commission — the official source for the Harmonized Tariff Schedule of the United States. This is the same data used by US Customs and Border Protection for tariff classification and duty assessment.