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Himalayas vs Namedays Calendar

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

APIHimalayasNEW—Namedays CalendarNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
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

Himalayas vs Namedays Calendar: common questions

Which is more reliable, Himalayas or Namedays Calendar?

On our scheduled checks, Namedays Calendar leads on measured uptime — Himalayas at —% versus Namedays Calendar 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 Himalayas and Namedays Calendar need an API key?

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

Can I call Himalayas and Namedays Calendar from the browser?

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

Are Himalayas and Namedays Calendar free for commercial use?

Himalayas has unclear commercial terms, and Namedays Calendar 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.