Keen IO vs TLE
Same instrument, two spec sheets — measured, not claimed.
Keen IO vs TLE: common questions
Which is more reliable, Keen IO or TLE?
On our scheduled checks, Keen IO leads on measured uptime — Keen IO at 100% versus TLE at 88.2% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Keen IO or TLE?
Keen IO has the lower median latency in our checks — Keen IO responds in 667 ms versus TLE at 1090 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 Keen IO and TLE need an API key?
TLE needs no key, while Keen IO requires a free API key. If you want to start calling without signup, reach for TLE first.
Can I call Keen IO and TLE from the browser?
Only TLE 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 Keen IO and TLE free for commercial use?
Keen IO has unclear commercial terms, and TLE 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.