CDNJS vs Hoppscotch

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms281552
P95 · ms9362519
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CDNJS vs Hoppscotch: common questions

Which is more reliable, CDNJS or Hoppscotch?

Both are neck-and-neck — CDNJS and Hoppscotch 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, CDNJS or Hoppscotch?

CDNJS has the lower median latency in our checks — CDNJS responds in 281 ms versus Hoppscotch at 552 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 CDNJS and Hoppscotch need an API key?

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

Can I call CDNJS and Hoppscotch from the browser?

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

CDNJS has unclear commercial terms, and Hoppscotch 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.