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ITIS vs SHARE

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

APIITISNEW—SHARENEW—
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

ITIS vs SHARE: common questions

Which is more reliable, ITIS or SHARE?

On our scheduled checks, SHARE leads on measured uptime — ITIS at —% versus SHARE 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 ITIS and SHARE need an API key?

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

Can I call ITIS and SHARE from the browser?

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

Are ITIS and SHARE free for commercial use?

ITIS has unclear commercial terms, and SHARE 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.