Currencylayer vs ValueRay
Same instrument, two spec sheets — measured, not claimed.
Currencylayer vs ValueRay: common questions
Which is more reliable, Currencylayer or ValueRay?
Both are neck-and-neck — Currencylayer and ValueRay each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Currencylayer or ValueRay?
Currencylayer has the lower median latency in our checks — Currencylayer responds in 511 ms versus ValueRay at 553 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
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.