ELI vs npm Registry
Same instrument, two spec sheets — measured, not claimed.
ELI vs npm Registry: common questions
Which is more reliable, ELI or npm Registry?
On our scheduled checks, npm Registry leads on measured uptime — ELI at 99.02% versus npm Registry at 100% 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, ELI or npm Registry?
npm Registry has the lower median latency in our checks — ELI responds in 591 ms versus npm Registry at 243 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 ELI and npm Registry need an API key?
npm Registry needs no key, while ELI requires a free API key. If you want to start calling without signup, reach for npm Registry first.
Can I call ELI and npm Registry from the browser?
Yes — both ELI and npm Registry 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 ELI and npm Registry free for commercial use?
ELI has unclear commercial terms, and npm Registry 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.