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USTariffRates API is a free Finance API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
Online · 1650 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime
Heads up: CORS isn't listed for it; our latest check found it does send CORS headers.
USTariffRates API returns JSON at api.ustariffrates.com. Verified by our health check on Nov 15, 2026.
curl -s "https://api.ustariffrates.com/openapi.json"const res = await fetch("https://api.ustariffrates.com/openapi.json");
if (!res.ok) throw new Error(`HTTP ${res.status}`);
const data = await res.json();
console.log(data);import requests
res = requests.get("https://api.ustariffrates.com/openapi.json", timeout=10)
res.raise_for_status()
data = res.json()
print(data)
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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.
Yes. The USTariffRates API uses apiKey authentication, so you need to register for credentials before making requests.
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.
Yes. The USTariffRates API is served over HTTPS, so it's safe to use in production.
Show that USTariffRates is listed on Public APIs. The badge displays its developer rating once it has one.
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