Tariff Intelligence
Check U.S. tariff treatment now. See what changed. Know what may affect your catalog next.
Check U.S. tariff treatment for a single product
One-question tools. Enter HTS, origin, destination, date, and currency — receive an estimate-ready answer with source evidence. No signup required for free use.
Import Duty Calculator
Estimate customs value, base duty, additional tariff, VAT, fees, and total import cost.
CheckAs-of Tariff Calculator
Resolve canonical U.S. tariff treatment for a specific HTS, origin, and entry date.
CheckTariff Date Comparison
Compare canonical tariff treatment between two dates for the same product and origin.
CheckCustoms Bill Checker
Review a customs bill or duty notice and classify each line as government duty, MPF/HMF, or carrier fee.
CheckCompare Origins
Compare canonical customs treatment across two or more origins for the same HTS and date.
Track U.S. tariff measures
Chronological views of active, upcoming, and historical measures from canonical Section 301, FYR escalation, forced labor, MPF, and HMF programs. All measures carry their own `rateExpression` and effective range — no second tariff truth in prose.
Tariff Changes
Active, upcoming, and historical U.S. tariff measures in one chronological timeline.
TrackSection 301 Tracker
Operative Section 301 lists, Chapter 99 headings, rates, and exclusion counts.
TrackHTS Revision Tracker
Track USITC HTS revision history with retroactive effect on classified lines.
TrackTariff Measure Timeline
Per-measure effective / superseded / expired timeline across all tariff programs.
Monitor saved catalogs for tariff-state changes
Free tools answer one question. Workspace and paid plans monitor how the answer changes when tariffs change.
Catalog Impact
See how tariff changes affect each SKU in your saved catalog (workspace feature).
MonitorUpcoming Catalog Impact
Preview how an upcoming measure would affect classified lines before it goes live.
MonitorWatchlist
Track HTS codes, SKUs, or catalogs for future tariff changes (workspace feature).
MonitorAlerts
Receive alerts when an HTS, SKU, or catalog measure state changes.
Workspace and paid features require sign-in. See Pricing for credit allowances and current plan tiers.
Prepare customs document drafts
Use the Customs Document Pack to draft Commercial Invoice, Proforma Invoice, Packing List, CN22, and CN23 from one shipment draft with cross-document consistency checks. The four individual generators remain available for standalone use.
Customs Document Pack
Generate Commercial Invoice, Proforma, Packing List, CN22, and CN23 from one shipment draft.
PrepareCommercial Invoice
Single-document commercial invoice draft with HS code, origin, Incoterms, and line items.
PreparePacking List
Stand-alone packing list draft for shipment preparation.
PrepareCN22 / CN23
Postal customs declaration draft with CN22 vs CN23 decision support.
Integrate tariff data into your own systems
TariffCatalog exposes the same canonical data behind the public site through free public endpoints and Business-API endpoints for teams and high-volume sellers.
Public Tariff Data API
Public endpoints for HTS lookup, tariff changes, and coverage (free, no key required).
IntegrateBusiness Resolver API
Authenticated Business API for workspace catalog and resolver workflows.
IntegrateBatch Resolver API
Authenticated batch endpoint for resolving multiple HTS / origin / date tuples.
IntegrateCatalog Impact API
Authenticated catalog impact endpoint for tariff-state change analysis.
IntegrateEmbed Widgets
Embed tariff lookup, duty estimate, and tariff change widgets on your own site.
API key self-service is currently deferred pending schema approval. Business API access is available through the current authenticated Business integration contract. Use Contact for access.
Common questions
What is Tariff Intelligence?
Tariff Intelligence is the umbrella for TariffCatalog's customs-data workflow that combines Check, Track, Monitor, Prepare, and Integrate capabilities. It does not promise real-time global tariffs, 100% accuracy, or binding classifications. Every estimate must be verified against official HTS, USTR, and CBP sources before filing.
Is the data real-time?
TariffCatalog refreshes its canonical datasets on a documented schedule, not in real time. The Data Update Policy describes how often each dataset is refreshed and how the change feed publishes updates.
Does Tariff Intelligence replace a customs broker?
No. TariffCatalog provides preparation, estimation, document drafts, and monitoring. Final classifications, duty treatment, and filing decisions remain with the importer, broker, CBP, or destination customs authority.
Can I get an API key?
Public endpoints (HTS search, tariff changes, coverage) are free and require no key. Business endpoints (Catalog Impact, Batch Resolver, Embed) are accessible through the current authenticated Business integration contract. Self-service API key issuance is currently deferred pending schema approval.
What countries does it cover?
The canonical Resolver covers U.S. customs treatment with associated Section 301, FYR escalation, forced-labor, MPF, and HMF programs. EU TARIC, UK Trade Tariff, and other national extensions are out of scope. Country-pair route calculators are available as reference inputs but do not extend canonical coverage.