{"uid":"cap_jQi_i9mF1m_pDhBwqcuJa","slug":"sitecheck-trade-energy-us-hts-customs-duty-lookup-5b6f018e","name":"SiteCheck Trade & Energy – US HTS Customs Duty Lookup","description":"United States import duty lookup from the USITC Harmonized Tariff Schedule: HTS codes matching a code prefix or keyword with general, special and column-2 rates, units, and the duty amount for a customs value in USD when the general rate is ad valorem. US tariff only; no VAT, no other countries.","url":"https://api.tradeenergy-api.workers.dev/api/logistics/customs-duty-calc?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string","description":"HTS code (e.g. 8541.10.00) or keyword (e.g. diodes)"},"value":{"type":"string","description":"Optional customs value in USD to compute the general duty"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"lines":[{"units":null,"htsCode":"8541.10.00","column2Rate":"35%","description":"Diodes, other than photosensitive or light-emitting diodes (LED)","generalRate":"Free","specialRate":null,"dutyAmountUsd":0}],"query":"8541.10.00","source":"https://hts.usitc.gov/reststop/search?keyword=8541.10.00","checkedAt":"2026-10-23T09:37:55.718Z","customsValueUsd":1000}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cxPlxDv_0w1ODBfs0LXfG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up US import duty rates from the USITC Harmonized Tariff Schedule by HTS code or keyword, returning general, special, and column-2 rates plus optional duty amount for a given customs value.","exampleAgentPrompt":"What's the US import duty rate for HTS code 8471.30.01 (laptop computers), and how much duty would I owe on a $15,000 shipment?","exampleUseCases":[{"title":"Calculating landed cost for electronics import","prompt":"I'm importing $50,000 worth of LED diodes (HTS 8541.40.20) from China — what are the general, special, and column-2 US tariff rates, and what would my actual duty amount be?"},{"title":"Checking duty-free status for clothing","prompt":"Is HTS code 6204.62.40 for women's denim trousers duty-free when imported into the US, or does a general rate apply? Look it up in the HTS schedule."},{"title":"Trade compliance research by keyword","prompt":"Search the US Harmonized Tariff Schedule for 'lithium batteries' and show me all matching HTS codes with their duty rates so I can figure out the right classification for my shipment."}],"resultDescription":"Returns a list of matching HTS lines, each with the HTS code, product description, general rate, special rate (GSP/FTA), column-2 rate, units of measure, and — if a customs value in USD was provided and the general rate is ad valorem — the computed duty amount in USD. Also includes the query string, the USITC source URL, and the timestamp of the lookup.","failureModes":["No matching HTS codes found for the given keyword or code prefix — returns empty lines array","Invalid or malformed HTS code format — may return no results","Duty amount not computed if general rate is not ad valorem (e.g. 'Free' or specific rates like '$0.15/kg')","USITC upstream service unavailable — may return HTTP 5xx or timeout","Customs value not provided — duty amount will be absent even for ad valorem rates"],"whenToPreferThis":"Use this endpoint when you need US-specific import duty rates from the official USITC HTS schedule, especially for ad valorem duty calculation on a known customs value. Prefer this over generic trade databases when you need authoritative US tariff data with general, special (FTA/GSP), and column-2 rates in one call. Not suitable for VAT lookup, non-US tariffs, or country-of-origin preferential rate analysis beyond what the HTS special rate column provides.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T00:34:27.866Z","isFirstParty":false,"canonicalSlug":"sitecheck-trade-energy-us-hts-customs-duty-lookup-5b6f018e"}