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Apify vs Callook.info

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

APIApifyHEALTHY96Callook.infoHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms381437
P95 · ms7651156
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (data from public FCC ULS records)
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Apify vs Callook.info: common questions

Which is more reliable, Apify or Callook.info?

Both are neck-and-neck — Apify and Callook.info 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, Apify or Callook.info?

Apify has the lower median latency in our checks — Apify responds in 381 ms versus Callook.info at 437 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 Apify and Callook.info need an API key?

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

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

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

Are Apify and Callook.info free for commercial use?

Apify 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.