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APITube vs Callook.info

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

APIAPITubeNEW—Callook.infoNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (data from public FCC ULS records)
Free tierTrial — API key requiredFree — limits not published
Rate limitPlan-dependentUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

APITube vs Callook.info: common questions

Which is more reliable, APITube or Callook.info?

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

Callook.info needs no key, while APITube requires a free API key. If you want to start calling without signup, reach for Callook.info first.

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

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

Are APITube and Callook.info free for commercial use?

APITube has unclear commercial terms, and Callook.info 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.