Currencylayer vs ValueRay
Same instrument, two spec sheets — measured, not claimed.
Currencylayer vs ValueRay: common questions
Which is more reliable, Currencylayer or ValueRay?
On our scheduled checks, ValueRay leads on measured uptime — Currencylayer at —% versus ValueRay 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 Currencylayer and ValueRay need an API key?
ValueRay needs no key, while Currencylayer requires a free API key. If you want to start calling without signup, reach for ValueRay first.
Can I call Currencylayer and ValueRay from the browser?
Only ValueRay is browser-friendly — it returns CORS headers over HTTPS. Currencylayer needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Currencylayer and ValueRay free for commercial use?
Currencylayer has unclear commercial terms, and ValueRay 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.