CDNJS vs SampleAPIs
Same instrument, two spec sheets — measured, not claimed.
CDNJS vs SampleAPIs: common questions
Which is more reliable, CDNJS or SampleAPIs?
Both are neck-and-neck — CDNJS and SampleAPIs 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 SampleAPIs?
CDNJS has the lower median latency in our checks — CDNJS responds in 281 ms versus SampleAPIs at 471 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 SampleAPIs need an API key?
Neither needs a paid key — CDNJS is callable with no signup, and SampleAPIs is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call CDNJS and SampleAPIs from the browser?
Yes — both CDNJS and SampleAPIs 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 SampleAPIs free for commercial use?
CDNJS has unclear commercial terms, and SampleAPIs 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.