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npm Registry vs UUID Generator

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

APInpm RegistryNEW—UUID GeneratorNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree (public registry)Free — limits not published
Rate limitUnpublished (bulk scraping discouraged)60 req/window · 59 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

npm Registry vs UUID Generator: common questions

Which is more reliable, npm Registry or UUID Generator?

On our scheduled checks, UUID Generator leads on measured uptime — npm Registry at —% versus UUID Generator at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do npm Registry and UUID Generator need an API key?

Neither needs a paid key — npm Registry is callable with no signup, and UUID Generator is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call npm Registry and UUID Generator from the browser?

Yes — both npm Registry and UUID Generator 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 UUID Generator free for commercial use?

npm Registry has unclear commercial terms, and UUID Generator 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.