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Numverify vs PyPI

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

APINumverifyNEW—PyPINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Numverify vs PyPI: common questions

Which is more reliable, Numverify or PyPI?

On our scheduled checks, PyPI leads on measured uptime — Numverify at —% versus PyPI 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 Numverify and PyPI need an API key?

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

Can I call Numverify and PyPI from the browser?

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

Are Numverify and PyPI free for commercial use?

Numverify has unclear commercial terms, and PyPI 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.