{"uid":"cap_xCnBSfVaAVZIncAcwBspU","slug":"hts-tariff-lookup-f342af2d","name":"HTS Tariff Lookup","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/hts-tariff-lookup?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"query":"8517","results":[{"htsno":"8456.11.70.00","other":"30%","units":["No."],"general":"Free","description":"Of a kind used solely or principally for the manufacture of printed circuits..."}]}},"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_jJXxbFCe-2ghOySKr31_P","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":"Look up US Harmonized Tariff Schedule (HTS) codes to retrieve import duty rates, tariff descriptions, and unit classifications for a given HTS number or product query.","exampleAgentPrompt":"Look up the US import tariff rates for HTS code 8517 — I need the general duty rate, any other rates, and the official tariff description.","exampleUseCases":[{"title":"Import duty check for electronics","prompt":"What is the general duty rate and tariff description for HTS code 8517.12 — I'm importing wireless handsets and need to know the exact customs rate."},{"title":"Trade compliance classification audit","prompt":"Can you pull the US HTS tariff details for code 8456.11.70.00? I need the general rate, other rates, and units for our import documentation."},{"title":"Supply chain cost estimation","prompt":"Look up the US tariff schedule entry for HTS code 9403 — I need the duty rate and description so I can estimate landed costs for furniture imports."}],"resultDescription":"Returns a list of matching HTS entries, each with the full HTS number, tariff description, general duty rate (e.g. 'Free' or percentage), other duty rate (e.g. '30%'), and units of measure (e.g. 'No.'). The response is JSON with a 'query' echo and a 'results' array.","failureModes":["Invalid or non-existent HTS code returns empty results array","Malformed query string may return no matches","Payment failure (x402) if insufficient USDC balance on Base","Rate-limiting or server unavailability from dynamic DNS host","Query too ambiguous may return multiple unrelated HTS entries"],"whenToPreferThis":"Use this endpoint when you need quick, per-call HTS tariff lookups without signing up for an account or obtaining API keys — ideal for AI agents performing trade compliance checks, import cost estimation, or customs classification in automated workflows. Prefer this over full CBP or USITC APIs when low-latency, pay-per-use access via USDC micropayments (x402) is acceptable and you only need duty rates and descriptions for specific HTS codes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:54.800Z","isFirstParty":false,"canonicalSlug":"hts-tariff-lookup-f342af2d"}