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PyPI vs Genderize.io

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

APIPyPINEW—Genderize.ioNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedKeyless usage limited (x-rate-limit-limit: 25 observed); 2,500 names/mo with a free key
Rate limitUnpublishedKeyless cap 25 per x-rate-limit-limit header; remaining/reset exposed in response headers
In directory since2026-07-052026-07-05
operationalpartialdownno data

PyPI vs Genderize.io: common questions

Which is more reliable, PyPI or Genderize.io?

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

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

Can I call PyPI and Genderize.io from the browser?

Yes — both PyPI and Genderize.io 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 PyPI and Genderize.io free for commercial use?

PyPI has unclear commercial terms, and Genderize.io 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.