Kickbox vs PostStack
Same instrument, two spec sheets — measured, not claimed.
Kickbox vs PostStack: common questions
Which is more reliable, Kickbox or PostStack?
Both are neck-and-neck — Kickbox and PostStack 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, Kickbox or PostStack?
Kickbox has the lower median latency in our checks — Kickbox responds in 592 ms versus PostStack at 1066 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 Kickbox and PostStack need an API key?
Kickbox needs no key, while PostStack requires a free API key. If you want to start calling without signup, reach for Kickbox first.
Can I call Kickbox and PostStack from the browser?
Only Kickbox is browser-friendly — it returns CORS headers over HTTPS. PostStack needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Kickbox and PostStack free for commercial use?
Kickbox has unclear commercial terms, and PostStack 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.