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Football-Data.org vs NPPES

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

APIFootball-Data.orgNEW—NPPESNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedU.S. Government (public NPI data)
Free tierFree — limits not publishedFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Football-Data.org vs NPPES: common questions

Which is more reliable, Football-Data.org or NPPES?

On our scheduled checks, NPPES leads on measured uptime — Football-Data.org at —% versus NPPES 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 Football-Data.org and NPPES need an API key?

Neither needs a paid key — Football-Data.org is callable with no signup, and NPPES is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Football-Data.org and NPPES from the browser?

Neither sends browser-friendly CORS headers reliably, so call Football-Data.org and NPPES from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Football-Data.org and NPPES free for commercial use?

Football-Data.org has unclear commercial terms, and NPPES 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.