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ipapi.com vs Open Topo Data

Same instrument, two spec sheets — measured, not claimed.

APIipapi.comNEW—Open Topo DataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ipapi.com vs Open Topo Data: common questions

Which is more reliable, ipapi.com or Open Topo Data?

On our scheduled checks, Open Topo Data leads on measured uptime — ipapi.com at —% versus Open Topo Data at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

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.