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Callook.info vs Kaggle

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

APICallook.infoHEALTHY94KaggleHEALTHY98
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms437250
P95 · ms1156566
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (data from public FCC ULS records)Unverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Callook.info vs Kaggle: common questions

Which is more reliable, Callook.info or Kaggle?

Both are neck-and-neck — Callook.info and Kaggle 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 Kaggle?

Kaggle has the lower median latency in our checks — Callook.info responds in 437 ms versus Kaggle at 250 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 Kaggle need an API key?

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

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

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

Callook.info has unclear commercial terms, and Kaggle 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.