Nobel Prize vs OpenCorporates

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nobel Prize vs OpenCorporates: common questions

Which is more reliable, Nobel Prize or OpenCorporates?

On our scheduled checks, OpenCorporates leads on measured uptime — Nobel Prize at —% versus OpenCorporates 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 Nobel Prize and OpenCorporates need an API key?

Nobel Prize needs no key, while OpenCorporates requires a free API key. If you want to start calling without signup, reach for Nobel Prize first.

Can I call Nobel Prize and OpenCorporates from the browser?

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

Are Nobel Prize and OpenCorporates free for commercial use?

Nobel Prize has unclear commercial terms, and OpenCorporates 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.