TariffsAPI

TariffsAPI

The definitive US import duty calculator and tariff API.

CATEGORYDeveloperTools

FOUNDERdaniel_rrsrBuilder

LANGUAGEEN

Stop guessing your landed cost—get instant, accurate duty lookups for every HTS code and country of origin with clean JSON for seamless integration.

1

active subscriptions

$199

monthly recurring revenue

#2160

trustmrr rank

Value Proposition

Provides developers and importers with real-time, authoritative US tariff data and duty calculations, enabling accurate landed cost estimation and compliance.

Problem Solved

Eliminates guesswork and manual spreadsheet errors in calculating US import duties by delivering deterministic, up-to-date tariff data via API.

Target Audience

B2B

Business Details

Founded in Singapore in May 2025TariffsAPI offers subscription plans with free and paid tiersincluding bulk API access and rate change alertspowered by official US government data sources.

Pricing

Free

$0

Free tariff calculator and HTS browser for importers.

Unlimited tariff calculator lookups

Full HTS index and search

Save up to 3 HTS codes in HTS Watch

Current rates for all countries

Coverage of Section 301, 232, 122, and IEEPA measures

Most popular

Importer

$29/mo

For importers and e-commerce sellers needing alerts and detailed landed cost breakdowns.

Everything in Free plan

Save unlimited HTS codes in HTS Watch

Email alerts on rate changes

IEEPA refund eligibility flags

CSV and PDF export of tariff sheets

Historical rates access

Basic API

$49/mo

For developers building single-resolve tariff features with API access.

Everything in Importer plan

/resolve endpoint for single HTS + origin

Chapter 99 and trade agreement resolution

10,000 API calls per month

Confidence scores and warnings

Standard support

Pro

$199/mo

For large-scale workflows, ERPs, and agents needing bulk API and priority support.

Everything in Basic API plan

Bulk /resolve endpoint (up to 200 HTS codes per request)

100,000 API calls per month

MCP server access for AI agents

Priority support

Custom as_of queries at scale

Life Without vs. With TariffsAPI

Without

×Manual spreadsheet calculations

×Outdated or scraped tariff data

×Unreliable duty estimates

×Complex multi-source data aggregation

With TariffsAPI

Accurate, official US tariff data

Real-time updates from government sources

Deterministic JSON API responses

Automated rate change alerts

Comprehensive coverage of all US trade measures

Questions & Answers

All tariff rates are sourced directly from official US government agencies including USTR, CBP, ITC HTS, Federal Register, and ITA ADCVD databases.

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