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Callook.info vs ElonMuskAPI

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

APICallook.infoHEALTHY94ElonMuskAPIHEALTHY71
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms437636
P95 · ms11561144
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 ElonMuskAPI: common questions

Which is more reliable, Callook.info or ElonMuskAPI?

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

Callook.info has the lower median latency in our checks — Callook.info responds in 437 ms versus ElonMuskAPI at 636 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 ElonMuskAPI need an API key?

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

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

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

Are Callook.info and ElonMuskAPI free for commercial use?

Callook.info has unclear commercial terms, and ElonMuskAPI 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.