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ITIS vs TensorFeed

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

APIITISNEW—TensorFeedNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key (static JSON feed endpoints)
Rate limitUnpublished120 req/window · 119 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

ITIS vs TensorFeed: common questions

Which is more reliable, ITIS or TensorFeed?

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

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

Can I call ITIS and TensorFeed from the browser?

Only TensorFeed 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 TensorFeed free for commercial use?

ITIS has unclear commercial terms, and TensorFeed 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.