{"uid":"cap_LyCxxiXTHyG4e0V1x9bei","slug":"dutyfinch-section-301-china-tariff-lookup-a89012eb","name":"Dutyfinch Section 301 China Tariff Lookup","description":"Every US duty rate and China tariff, one call. HTS code lookup + Section 301 tariff checker API and MCP Try it free in one click, no sign-up.","url":"https://dutyfinch.cybermax-tools.workers.dev/x402/api/section301?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","properties":{}}}},"output":{"type":"object","properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.012","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":"$0.012/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_baK_baXGc8sOT2OMm2MtB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.012","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns US HTS duty rates and Section 301 China tariff details for a given product classification code in a single API call.","exampleAgentPrompt":"What is the total US import duty rate for HTS code 8471.30.0100, including any Section 301 China tariffs that apply?","exampleUseCases":[{"title":"Landed cost estimate for importer","prompt":"I'm importing laptops from China under HTS code 8471.30.0100 — what's the total US duty rate including any Section 301 tariffs so I can calculate my landed cost?"},{"title":"Compliance check for e-commerce seller","prompt":"We're sourcing phone cases (HTS 4205.00.8000) from a Chinese manufacturer — can you check whether they're hit by Section 301 tariffs and what the combined duty rate is?"},{"title":"Trade policy research for analyst","prompt":"I need to know the MFN base duty rate and any Section 301 China tariff surcharge for HTS code 6110.20.2075 — pull the full breakdown for me."}],"resultDescription":"Returns the standard MFN (Most Favored Nation) duty rate, applicable Section 301 China tariff list and rate (if any), the combined effective total tariff rate, and the HTS code description for the queried product classification.","failureModes":["Invalid or malformed HTS code returns an error or empty result","HTS code not found in the tariff database returns null rates","Rate data may lag behind recent USTR amendments or proclamations","No query parameters provided returns an error or generic response"],"whenToPreferThis":"Choose this endpoint when you need both the standard MFN duty rate and Section 301 China tariff status for a US HTS code in a single call, especially when building landed-cost calculators, trade compliance tools, or sourcing decision engines that need up-to-date China tariff exposure quickly without sign-up or complex authentication.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:40:33.430Z","isFirstParty":false,"canonicalSlug":"dutyfinch-section-301-china-tariff-lookup-a89012eb"}