npm Registry vs SampleAPIs
Same instrument, two spec sheets — measured, not claimed.
npm Registry vs SampleAPIs: common questions
Which is more reliable, npm Registry or SampleAPIs?
On our scheduled checks, npm Registry leads on measured uptime — npm Registry at 100% versus SampleAPIs at 99.44% 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 SampleAPIs?
npm Registry has the lower median latency in our checks — npm Registry responds in 206 ms versus SampleAPIs at 347 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 SampleAPIs need an API key?
Neither needs a paid key — npm Registry is callable with no signup, and SampleAPIs is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call npm Registry and SampleAPIs from the browser?
Yes — both npm Registry and SampleAPIs 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 SampleAPIs free for commercial use?
npm Registry has unclear commercial terms, and SampleAPIs 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.