CDNJS vs Postman Echo
Same instrument, two spec sheets — measured, not claimed.
CDNJS vs Postman Echo: common questions
Which is more reliable, CDNJS or Postman Echo?
Both are neck-and-neck — CDNJS and Postman Echo 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 Postman Echo?
Postman Echo has the lower median latency in our checks — CDNJS responds in 281 ms versus Postman Echo at 201 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 Postman Echo need an API key?
Neither needs a paid key — CDNJS is callable with no signup, and Postman Echo is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call CDNJS and Postman Echo from the browser?
Only CDNJS is browser-friendly — it returns CORS headers over HTTPS. Postman Echo needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are CDNJS and Postman Echo free for commercial use?
CDNJS has unclear commercial terms, and Postman Echo 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.