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Keen IO vs Strictly Better API

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

APIKeen IONEW—Strictly Better APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Keen IO vs Strictly Better API: common questions

Which is more reliable, Keen IO or Strictly Better API?

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

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

Can I call Keen IO and Strictly Better API from the browser?

Only Strictly Better API is browser-friendly — it returns CORS headers over HTTPS. Keen IO needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Keen IO and Strictly Better API free for commercial use?

Keen IO has unclear commercial terms, and Strictly Better 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.