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NPPES vs Longevity World Cup

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

APINPPESNEW—Longevity World CupNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseU.S. Government (public NPI data)Unverified
Free tierFree — no key requiredFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

NPPES vs Longevity World Cup: common questions

Which is more reliable, NPPES or Longevity World Cup?

On our scheduled checks, Longevity World Cup leads on measured uptime — NPPES at —% versus Longevity World Cup 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 NPPES and Longevity World Cup need an API key?

Neither needs a paid key — NPPES is callable with no signup, and Longevity World Cup is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call NPPES and Longevity World Cup from the browser?

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

Are NPPES and Longevity World Cup free for commercial use?

NPPES allows commercial use on its free tier, and Longevity World Cup 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.