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AutoChangelog vs PyPI

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

APIAutoChangelogHEALTHY92PyPIHEALTHY100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms57846
P95 · ms1729446
AuthapiKeynone
CORSnoyes
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

AutoChangelog vs PyPI: common questions

Which is more reliable, AutoChangelog or PyPI?

Both are neck-and-neck — AutoChangelog 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, AutoChangelog or PyPI?

PyPI has the lower median latency in our checks — AutoChangelog responds in 578 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 AutoChangelog and PyPI need an API key?

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

Can I call AutoChangelog and PyPI from the browser?

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

Are AutoChangelog and PyPI free for commercial use?

AutoChangelog 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.