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Bootprint vs Keen IO

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

APIBootprintNEW—Keen IONEW—
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

Bootprint vs Keen IO: common questions

Which is more reliable, Bootprint or Keen IO?

On our scheduled checks, Keen IO leads on measured uptime — Bootprint at —% versus Keen IO 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 Bootprint and Keen IO need an API key?

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

Can I call Bootprint and Keen IO from the browser?

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

Are Bootprint and Keen IO free for commercial use?

Bootprint has unclear commercial terms, and Keen IO 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.