ipify vs serpstack
Same instrument, two spec sheets — measured, not claimed.
ipify vs serpstack: common questions
Which is more reliable, ipify or serpstack?
Both are neck-and-neck — ipify and serpstack each measure 99.02% 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, ipify or serpstack?
ipify has the lower median latency in our checks — ipify responds in 149 ms versus serpstack at 492 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 ipify and serpstack need an API key?
ipify needs no key, while serpstack requires a free API key. If you want to start calling without signup, reach for ipify first.
Can I call ipify and serpstack from the browser?
Only ipify is browser-friendly — it returns CORS headers over HTTPS. serpstack needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are ipify and serpstack free for commercial use?
ipify allows commercial use on its free tier, and serpstack 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.