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languagelayer vs npm Registry

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

APIlanguagelayerHEALTHY94npm RegistryHEALTHY98
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms456243
P95 · ms8931246
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?

Both are neck-and-neck — languagelayer and npm Registry each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, languagelayer or npm Registry?

npm Registry has the lower median latency in our checks — languagelayer responds in 456 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 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.