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Finance

US HTS lookup and origin-specific tariff breakdowns with source context.

USTariffRates API is a free Finance API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.

Authentication
apiKey
HTTPS
Yes
CORS
Unknown
Category
Finance
Uptime (30 days)
100%
Visit documentation ↗api.ustariffrates.com

Online · 1650 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

Key facts

  • 100% uptime (30 days)
  • Returns JSON at its URL
  • HTTPS

Heads up: CORS isn't listed for it; our latest check found it does send CORS headers.

Quick start

USTariffRates API returns JSON at api.ustariffrates.com. Verified by our health check on Nov 15, 2026.

Bash
curl -s "https://api.ustariffrates.com/openapi.json"
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USTariffRates API FAQ

Is the USTariffRates API free?

Yes. The USTariffRates API is listed in the Finance category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the USTariffRates API require an API key?

Yes. The USTariffRates API uses apiKey authentication, so you need to register for credentials before making requests.

Can I call the USTariffRates API from the browser?

CORS support for the USTariffRates API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.

Does the USTariffRates API support HTTPS?

Yes. The USTariffRates API is served over HTTPS, so it's safe to use in production.

Maintain the USTariffRates API? Add a badge

Show that USTariffRates is listed on Public APIs. The badge displays its developer rating once it has one.

USTariffRates on Public APIs

Markdown

[![USTariffRates on Public APIs](https://publicapis.lol/badge/ustariffrates.svg)](https://publicapis.lol/apis/ustariffrates)

HTML

<a href="https://publicapis.lol/apis/ustariffrates"><img src="https://publicapis.lol/badge/ustariffrates.svg" alt="USTariffRates on Public APIs" height="20"></a>