ipapi.com vs Open Topo Data
Same instrument, two spec sheets — measured, not claimed.
ipapi.com vs Open Topo Data: common questions
Which is more reliable, ipapi.com or Open Topo Data?
On our scheduled checks, ipapi.com leads on measured uptime — ipapi.com at 100% versus Open Topo Data at 93.1% 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, ipapi.com or Open Topo Data?
Open Topo Data has the lower median latency in our checks — ipapi.com responds in 301 ms versus Open Topo Data at 285 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 ipapi.com and Open Topo Data need an API key?
Open Topo Data needs no key, while ipapi.com requires a free API key. If you want to start calling without signup, reach for Open Topo Data first.
Can I call ipapi.com and Open Topo Data from the browser?
Neither sends browser-friendly CORS headers reliably, so call ipapi.com and Open Topo Data from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are ipapi.com and Open Topo Data free for commercial use?
ipapi.com has unclear commercial terms, and Open Topo Data 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.