Exchangerate.dev vs ValueRay
Same instrument, two spec sheets — measured, not claimed.
Exchangerate.dev vs ValueRay: common questions
Which is more reliable, Exchangerate.dev or ValueRay?
On our scheduled checks, ValueRay leads on measured uptime — Exchangerate.dev at 71.6% versus ValueRay at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Exchangerate.dev or ValueRay?
Exchangerate.dev has the lower median latency in our checks — Exchangerate.dev responds in 336 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 Exchangerate.dev and ValueRay need an API key?
Neither needs a paid key — Exchangerate.dev is callable with no signup, and ValueRay is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Exchangerate.dev and ValueRay from the browser?
Yes — both Exchangerate.dev and ValueRay send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Exchangerate.dev and ValueRay free for commercial use?
Exchangerate.dev 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.