npm Registry vs PubMed E-utilities
Same instrument, two spec sheets — measured, not claimed.
npm Registry vs PubMed E-utilities: common questions
Which is more reliable, npm Registry or PubMed E-utilities?
On our scheduled checks, npm Registry leads on measured uptime — npm Registry at 100% versus PubMed E-utilities at 75.5% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, npm Registry or PubMed E-utilities?
npm Registry has the lower median latency in our checks — npm Registry responds in 243 ms versus PubMed E-utilities at 1259 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 npm Registry and PubMed E-utilities need an API key?
Neither needs a paid key — npm Registry is callable with no signup, and PubMed E-utilities is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call npm Registry and PubMed E-utilities from the browser?
Yes — both npm Registry and PubMed E-utilities 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 npm Registry and PubMed E-utilities free for commercial use?
npm Registry has unclear commercial terms, and PubMed E-utilities 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.