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Beeceptor vs CDNJS

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

APIBeeceptorNEW—CDNJSNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree public echo host, no signupFree and open, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Beeceptor vs CDNJS: common questions

Which is more reliable, Beeceptor or CDNJS?

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

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

Can I call Beeceptor and CDNJS from the browser?

Yes — both Beeceptor and CDNJS 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 Beeceptor and CDNJS free for commercial use?

Beeceptor has unclear commercial terms, and CDNJS 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.