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CurrencyFreaks vs Exchange Rates API

Same instrument, two spec sheets — measured, not claimed.

APICurrencyFreaksDEAD0Exchange Rates APIHEALTHY88
Uptime · 30d
Uptime · 90d0.0%100%
Uptime · 30d0.0%100%
P50 · ms—810
P95 · ms—4162
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CurrencyFreaks vs Exchange Rates API: common questions

Which is more reliable, CurrencyFreaks or Exchange Rates API?

On our scheduled checks, Exchange Rates API leads on measured uptime — CurrencyFreaks at 0.0% versus Exchange Rates API at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do CurrencyFreaks and Exchange Rates API need an API key?

Exchange Rates API needs no key, while CurrencyFreaks requires a free API key. If you want to start calling without signup, reach for Exchange Rates API first.

Can I call CurrencyFreaks and Exchange Rates API from the browser?

Yes — both CurrencyFreaks and Exchange Rates API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are CurrencyFreaks and Exchange Rates API free for commercial use?

CurrencyFreaks has unclear commercial terms, and Exchange Rates API has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.