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Nobel Prize vs Shields

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

APINobel PrizeNEW—ShieldsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nobel Prize vs Shields: common questions

Which is more reliable, Nobel Prize or Shields?

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

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

Can I call Nobel Prize and Shields from the browser?

Yes — both Nobel Prize and Shields 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 Nobel Prize and Shields free for commercial use?

Nobel Prize has unclear commercial terms, and Shields 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.