jsDelivr vs LibreTranslate

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (software is AGPL-3.0)
Free tierFree, no keyFree — /languages is keyless; hosted /translate may require a key or donation
Rate limitUnpublishedUnpublished (per hosted instance)
In directory since2026-07-052026-07-05
operationalpartialdownno data

jsDelivr vs LibreTranslate: common questions

Which is more reliable, jsDelivr or LibreTranslate?

On our scheduled checks, LibreTranslate leads on measured uptime — jsDelivr at —% versus LibreTranslate 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 jsDelivr and LibreTranslate need an API key?

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

Can I call jsDelivr and LibreTranslate from the browser?

Yes — both jsDelivr and LibreTranslate 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 jsDelivr and LibreTranslate free for commercial use?

jsDelivr has unclear commercial terms, and LibreTranslate 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.