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Pharos API vs Block Lottos

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

APIPharos APINEW—Block LottosNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree, no key (API docs state no key required)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Pharos API vs Block Lottos: common questions

Which is more reliable, Pharos API or Block Lottos?

On our scheduled checks, Block Lottos leads on measured uptime — Pharos API at —% versus Block Lottos 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 Block Lottos need an API key?

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

Can I call Pharos API and Block Lottos from the browser?

Only Block Lottos 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 Pharos API and Block Lottos free for commercial use?

Pharos API has unclear commercial terms, and Block Lottos 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.