shipapis
StarSubmit an APISubmit API

Callook.info vs Open Scholarships

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

APICallook.infoNEW—Open ScholarshipsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverified (data from public FCC ULS records)CC BY 4.0
Free tierFree — limits not publishedFree — no key (CC BY 4.0; attribution required)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Callook.info vs Open Scholarships: common questions

Which is more reliable, Callook.info or Open Scholarships?

On our scheduled checks, Open Scholarships leads on measured uptime — Callook.info at —% versus Open Scholarships at —% 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 Open Scholarships need an API key?

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

Can I call Callook.info and Open Scholarships from the browser?

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

Callook.info has unclear commercial terms, and Open Scholarships allows commercial use on its free tier. 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.