Kraken vs Sharpe

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

Uptime · 30d
Uptime · 90d100%98.0%
Uptime · 30d100%96.7%
P50 · ms1551239
P95 · ms4033358
Authnonenone
CORSyesyes
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, Kraken leads on measured uptime — Kraken at 100% versus Sharpe at 98.0% 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 Sharpe?

Kraken has the lower median latency in our checks — Kraken responds in 155 ms versus Sharpe at 1239 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 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?

Yes — both Kraken and Sharpe 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 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.