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Kraken vs VALR

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

APIKrakenHEALTHY100VALRHEALTHY93
Uptime · 30d
Uptime · 90d100%99.44%
Uptime · 30d100%98.3%
P50 · ms96405
P95 · ms4033273
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Kraken vs VALR: common questions

Which is more reliable, Kraken or VALR?

On our scheduled checks, Kraken leads on measured uptime — Kraken at 100% versus VALR at 99.44% 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, Kraken or VALR?

Kraken has the lower median latency in our checks — Kraken responds in 96 ms versus VALR at 405 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 Kraken and VALR need an API key?

Kraken needs no key, while VALR requires a free API key. If you want to start calling without signup, reach for Kraken first.

Can I call Kraken and VALR from the browser?

Only Kraken 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 Kraken and VALR free for commercial use?

Kraken 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.