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Exchangerate.dev vs Unirate

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

APIExchangerate.devNEW—UnirateREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
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 Unirate: common questions

Which is more reliable, Exchangerate.dev or Unirate?

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

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

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

Only Unirate is browser-friendly — it returns CORS headers over HTTPS. Exchangerate.dev needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Exchangerate.dev and Unirate free for commercial use?

Exchangerate.dev has unclear commercial terms, and Unirate 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.