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Callook.info vs Noozra

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

APICallook.infoNEW—NoozraNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (data from public FCC ULS records)Unverified (aggregated RSS headlines)
Free tierFree — limits not publishedFree tier available (pricing tiers published at /api/pricing)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Callook.info vs Noozra: common questions

Which is more reliable, Callook.info or Noozra?

On our scheduled checks, Noozra leads on measured uptime — Callook.info at —% versus Noozra 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 Callook.info and Noozra need an API key?

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

Can I call Callook.info and Noozra from the browser?

Yes — both Callook.info and Noozra 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 Callook.info and Noozra free for commercial use?

Callook.info has unclear commercial terms, and Noozra 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.