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Coinlayer vs VALR

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

APICoinlayerNEW—VALRNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Coinlayer vs VALR: common questions

Which is more reliable, Coinlayer or VALR?

On our scheduled checks, VALR leads on measured uptime — Coinlayer at —% versus VALR 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 Coinlayer and VALR need an API key?

Both ask you to authenticate — Coinlayer uses an API key and VALR uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Coinlayer and VALR from the browser?

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

Are Coinlayer and VALR free for commercial use?

Coinlayer has unclear commercial terms, and VALR 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.