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Exchangerate.dev vs FinFeedAPI

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

APIExchangerate.devNEW—FinFeedAPINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limit12 req/window · 11 remaining · resets 1783515720Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Exchangerate.dev vs FinFeedAPI: common questions

Which is more reliable, Exchangerate.dev or FinFeedAPI?

On our scheduled checks, FinFeedAPI leads on measured uptime — Exchangerate.dev at —% versus FinFeedAPI at —% 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 Exchangerate.dev and FinFeedAPI need an API key?

Exchangerate.dev needs no key, while FinFeedAPI requires a free API key. If you want to start calling without signup, reach for Exchangerate.dev first.

Can I call Exchangerate.dev and FinFeedAPI from the browser?

Neither sends browser-friendly CORS headers reliably, so call Exchangerate.dev and FinFeedAPI from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Exchangerate.dev and FinFeedAPI free for commercial use?

Exchangerate.dev has unclear commercial terms, and FinFeedAPI 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.