US Tariff & HTS Code Scraper

Search, look up, and track US tariff codes and duty rates from the official USITC Harmonized Tariff Schedule. Get structured data on HTS codes, duty rates, free trade agreement programs, and recent tariff changes including Section 301 and Section 232 modifications.

Features

• Search by keyword -- Find HTS codes for any product (e.g., "steel", "electronics", "automobile parts")
• Look up specific HTS codes -- Get full details for any tariff line item including duty rates and hierarchy
• Track tariff changes -- Monitor recent notices, schedule releases, and hot-topic tariff areas (Section 301, 232, IEEPA)
• FTA program decoding -- Automatically maps special duty program codes (A, AU, CA, KR, etc.) to full trade agreement names
• Hierarchical context -- Enriches results with chapter, heading, and subheading descriptions
• Supplementary tariff documents -- Detects China Tariff annexes and other supplementary files

Input Parameters

Parameter	Type	Default	Description
mode	string	"search"	Operation mode: search, lookup, or changes
searchTerm	string	""	Keyword to search for HTS codes (used in search mode)
htsCode	string	""	Specific HTS code to look up, e.g. "7206.10.0000" (used in lookup mode)
maxResults	integer	100	Maximum number of results to return (1-500)
includeParentCodes	boolean	true	Include parent heading/subheading codes that show hierarchy
proxyConfiguration	object	--	Optional proxy configuration

Example Inputs

Search for steel tariff codes:

{
  "mode": "search",
  "searchTerm": "steel pipe",
  "maxResults": 50
}

Look up a specific HTS code:

{
  "mode": "lookup",
  "htsCode": "7206.10.0000"
}

Get recent tariff changes and notices:

{
  "mode": "changes"
}

Output Fields

Search / Lookup Results

Field	Type	Description
htsCode	string	The HTS tariff code number
description	string	Official tariff description
generalDutyRate	string	General (MFN) duty rate
specialDutyRate	string	Special duty rate string with FTA program codes
specialPrograms	array	Parsed FTA programs with rates and program codes
specialProgramDetails	array	FTA programs with full human-readable names (lookup mode)
otherDutyRate	string	Column 2 (non-NTR) duty rate
units	string	Unit of quantity
indent	number	Hierarchy indent level
isLineItem	boolean	Whether this is a dutiable line item vs. a heading
statisticalSuffix	string	Statistical reporting suffix
additionalDuties	array	Footnote references (Section 301, 232, etc.)
chapterDescription	string	Parent chapter description (lookup mode)
headingDescription	string	Parent 4-digit heading description (lookup mode)
subheadingDescription	string	Parent 6-digit subheading description (lookup mode)

Changes Results

Field	Type	Description
type	string	notice, release, supplementary_tariff, or tariff_area
title	string	Title or label of the change
description	string	Description or content of the notice
matchCount	number	Number of related HTS entries (for tariff areas)
sampleCodes	array	Sample affected HTS codes with duty rates

Use Cases

• Import/export compliance -- Look up duty rates before shipping goods
• Trade policy monitoring -- Track Section 301 China tariffs, Section 232 steel/aluminum duties
• Cost estimation -- Calculate landed cost by finding applicable duty rates and FTA eligibility
• Supply chain analysis -- Identify tariff-free options through free trade agreement programs
• Regulatory research -- Stay current on USITC schedule releases and tariff modifications

Data Source

All data is sourced from the official USITC Harmonized Tariff Schedule REST API.

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