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BigDataCloud Geocode vs Open Topo Data

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

APIBigDataCloud GeocodeNEW—Open Topo DataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

BigDataCloud Geocode vs Open Topo Data: common questions

Which is more reliable, BigDataCloud Geocode or Open Topo Data?

On our scheduled checks, Open Topo Data leads on measured uptime — BigDataCloud Geocode 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 BigDataCloud Geocode and Open Topo Data need an API key?

Neither needs a paid key — BigDataCloud Geocode 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 BigDataCloud Geocode and Open Topo Data from the browser?

Only BigDataCloud Geocode 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 BigDataCloud Geocode and Open Topo Data free for commercial use?

BigDataCloud Geocode 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.