shipapis
StarSubmit an APISubmit API

Callook.info vs Court Rules

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

APICallook.infoHEALTHY92Court RulesDYING37
Uptime · 30d
Uptime · 90d100%0.0%
Uptime · 30d100%0.0%
P50 · ms151—
P95 · ms1156—
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (data from public FCC ULS records)
Free tierFree — limits not published
Rate limitUnpublished
In directory since2026-07-052026-10-04
operationalpartialdownno data

Callook.info vs Court Rules: common questions

Which is more reliable, Callook.info or Court Rules?

On our scheduled checks, Callook.info leads on measured uptime — Callook.info at 100% versus Court Rules at 0.0% 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 Court Rules need an API key?

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

Can I call Callook.info and Court Rules from the browser?

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

Are Callook.info and Court Rules free for commercial use?

Callook.info has unclear commercial terms, and Court Rules 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.