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Kraken vs Sharpe

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

APIKrakenNEW—SharpeNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Kraken vs Sharpe: common questions

Which is more reliable, Kraken or Sharpe?

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

Neither needs a paid key — Kraken is callable with no signup, and Sharpe is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Kraken and Sharpe from the browser?

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

Are Kraken and Sharpe free for commercial use?

Kraken has unclear commercial terms, and Sharpe 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.