shipapis
StarSubmit an APISubmit API

Callook.info vs Onyx Bazaar

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

APICallook.infoNEW—Onyx BazaarNEW—
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
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Callook.info vs Onyx Bazaar: common questions

Which is more reliable, Callook.info or Onyx Bazaar?

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

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

Can I call Callook.info and Onyx Bazaar from the browser?

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

Callook.info has unclear commercial terms, and Onyx Bazaar 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.