bng2latlong vs GeoApi

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedLicence Ouverte (Etalab; INSEE/IGN data)
Free tierFree — limits not publishedFree, no API key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

bng2latlong vs GeoApi: common questions

Which is more reliable, bng2latlong or GeoApi?

On our scheduled checks, GeoApi leads on measured uptime — bng2latlong at —% versus GeoApi 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 bng2latlong and GeoApi need an API key?

Neither needs a paid key — bng2latlong is callable with no signup, and GeoApi is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call bng2latlong and GeoApi from the browser?

Yes — both bng2latlong and GeoApi send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are bng2latlong and GeoApi free for commercial use?

bng2latlong has unclear commercial terms, and GeoApi allows commercial use on its free tier. 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.