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Himalayas vs PostStack

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

APIHimalayasNEW—PostStackNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Himalayas vs PostStack: common questions

Which is more reliable, Himalayas or PostStack?

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

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

Can I call Himalayas and PostStack from the browser?

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

Are Himalayas and PostStack free for commercial use?

Himalayas has unclear commercial terms, and PostStack 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.