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Alpha (Mossland) vs Pharos API

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

APIAlpha (Mossland)NEW—Pharos APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Alpha (Mossland) vs Pharos API: common questions

Which is more reliable, Alpha (Mossland) or Pharos API?

On our scheduled checks, Pharos API leads on measured uptime — Alpha (Mossland) at —% versus Pharos API 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 Alpha (Mossland) and Pharos API need an API key?

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

Can I call Alpha (Mossland) and Pharos API from the browser?

Only Alpha (Mossland) is browser-friendly — it returns CORS headers over HTTPS. Pharos API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Alpha (Mossland) and Pharos API free for commercial use?

Alpha (Mossland) has unclear commercial terms, and Pharos API 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.