HackMyIP vs Open Topo Data
Same instrument, two spec sheets — measured, not claimed.
HackMyIP vs Open Topo Data: common questions
Which is more reliable, HackMyIP or Open Topo Data?
On our scheduled checks, HackMyIP leads on measured uptime — HackMyIP 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, HackMyIP or Open Topo Data?
HackMyIP has the lower median latency in our checks — HackMyIP responds in 157 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 HackMyIP and Open Topo Data need an API key?
Neither needs a paid key — HackMyIP is callable with no signup, and Open Topo Data is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call HackMyIP and Open Topo Data from the browser?
Only HackMyIP is browser-friendly — it returns CORS headers over HTTPS. Open Topo Data needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are HackMyIP and Open Topo Data free for commercial use?
HackMyIP allows commercial use on its free tier, 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.