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Numverify vs PyPI

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

APINumverifyHEALTHY93PyPIHEALTHY100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms44946
P95 · ms1488446
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?

Both are neck-and-neck — Numverify and PyPI each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Numverify or PyPI?

PyPI has the lower median latency in our checks — Numverify responds in 449 ms versus PyPI at 46 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

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.