APIs.guru vs PyPI
Same instrument, two spec sheets — measured, not claimed.
APIs.guru vs PyPI: common questions
Which is more reliable, APIs.guru or PyPI?
Both are neck-and-neck — APIs.guru 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, APIs.guru or PyPI?
PyPI has the lower median latency in our checks — APIs.guru responds in 266 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 APIs.guru and PyPI need an API key?
Neither needs a paid key — APIs.guru is callable with no signup, and PyPI is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call APIs.guru and PyPI from the browser?
Yes — both APIs.guru 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 APIs.guru and PyPI free for commercial use?
APIs.guru 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.