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PaperClean vs PyPI

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

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

PaperClean vs PyPI: common questions

Which is more reliable, PaperClean or PyPI?

On our scheduled checks, PyPI leads on measured uptime — PaperClean 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 PaperClean and PyPI need an API key?

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

Can I call PaperClean and PyPI from the browser?

Yes — both PaperClean and PyPI 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 PaperClean and PyPI free for commercial use?

PaperClean 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.