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Callook.info vs RuntimeBuzz Article API

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

APICallook.infoHEALTHY94RuntimeBuzz Article APIHEALTHY93
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms437539
P95 · ms11561222
Authnonenone
CORSyesno
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 RuntimeBuzz Article API: common questions

Which is more reliable, Callook.info or RuntimeBuzz Article API?

Both are neck-and-neck — Callook.info and RuntimeBuzz Article API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Callook.info or RuntimeBuzz Article API?

Callook.info has the lower median latency in our checks — Callook.info responds in 437 ms versus RuntimeBuzz Article API at 539 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Callook.info and RuntimeBuzz Article API need an API key?

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

Can I call Callook.info and RuntimeBuzz Article API from the browser?

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

Are Callook.info and RuntimeBuzz Article API free for commercial use?

Callook.info has unclear commercial terms, and RuntimeBuzz Article API 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.