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languagelayer vs npm Registry

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

APIlanguagelayerNEW—npm RegistryNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree (public registry)
Rate limitUnpublishedUnpublished (bulk scraping discouraged)
In directory since2026-07-052026-07-05
operationalpartialdownno data

languagelayer vs npm Registry: common questions

Which is more reliable, languagelayer or npm Registry?

On our scheduled checks, npm Registry leads on measured uptime — languagelayer at —% versus npm Registry 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 languagelayer and npm Registry need an API key?

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

Can I call languagelayer and npm Registry from the browser?

Only npm Registry is browser-friendly — it returns CORS headers over HTTPS. languagelayer needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are languagelayer and npm Registry free for commercial use?

languagelayer 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.