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IPinfo vs SLA Uptime Calculator

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

APIIPinfoNEW—SLA Uptime CalculatorNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierKeyless /json works with limits; free token recommended (IPinfo Lite offers higher/unlimited access with a token)Free — limits not published
Rate limitKeyless/unauthenticated access is rate-limited; numeric caps not stated on the developers pageUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IPinfo vs SLA Uptime Calculator: common questions

Which is more reliable, IPinfo or SLA Uptime Calculator?

On our scheduled checks, SLA Uptime Calculator leads on measured uptime — IPinfo at —% versus SLA Uptime Calculator 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 IPinfo and SLA Uptime Calculator need an API key?

Neither needs a paid key — IPinfo is callable with no signup, and SLA Uptime Calculator is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call IPinfo and SLA Uptime Calculator from the browser?

Yes — both IPinfo and SLA Uptime Calculator send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are IPinfo and SLA Uptime Calculator free for commercial use?

IPinfo has unclear commercial terms, and SLA Uptime Calculator 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.