ISRO vs Keen IO
Same instrument, two spec sheets — measured, not claimed.
ISRO vs Keen IO: common questions
Which is more reliable, ISRO or Keen IO?
Both are neck-and-neck — ISRO and Keen IO 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, ISRO or Keen IO?
ISRO has the lower median latency in our checks — ISRO responds in 369 ms versus Keen IO at 667 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 ISRO and Keen IO need an API key?
ISRO needs no key, while Keen IO requires a free API key. If you want to start calling without signup, reach for ISRO first.
Can I call ISRO and Keen IO from the browser?
Only ISRO is browser-friendly — it returns CORS headers over HTTPS. Keen IO needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are ISRO and Keen IO free for commercial use?
ISRO has unclear commercial terms, and Keen IO 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.