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Pharos API vs Sharpe

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

APIPharos APINEW—SharpeNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Pharos API vs Sharpe: common questions

Which is more reliable, Pharos API or Sharpe?

On our scheduled checks, Sharpe leads on measured uptime — Pharos API 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 Pharos API and Sharpe need an API key?

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

Can I call Pharos API and Sharpe from the browser?

Neither sends browser-friendly CORS headers reliably, so call Pharos API and Sharpe from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Pharos API and Sharpe free for commercial use?

Pharos API 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.