CDNJS vs Shotstack
Same instrument, two spec sheets — measured, not claimed.
CDNJS vs Shotstack: common questions
Which is more reliable, CDNJS or Shotstack?
On our scheduled checks, Shotstack leads on measured uptime — CDNJS at —% versus Shotstack 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 CDNJS and Shotstack need an API key?
CDNJS needs no key, while Shotstack requires a free API key. If you want to start calling without signup, reach for CDNJS first.
Can I call CDNJS and Shotstack from the browser?
Yes — both CDNJS and Shotstack 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 Shotstack free for commercial use?
CDNJS has unclear commercial terms, and Shotstack 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.