Exchangerate.dev vs Exchangerate.host
Same instrument, two spec sheets — measured, not claimed.
Exchangerate.dev vs Exchangerate.host: common questions
Which is more reliable, Exchangerate.dev or Exchangerate.host?
On our scheduled checks, Exchangerate.host leads on measured uptime — Exchangerate.dev at —% versus Exchangerate.host 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 Exchangerate.host need an API key?
Neither needs a paid key — Exchangerate.dev is callable with no signup, and Exchangerate.host is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Exchangerate.dev and Exchangerate.host from the browser?
Only Exchangerate.host 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 Exchangerate.host free for commercial use?
Exchangerate.dev has unclear commercial terms, and Exchangerate.host 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.