bng2latlong vs Smappee API

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

Uptime · 30d
Uptime · 90d95.1%100%
Uptime · 30d95.0%100%
P50 · ms524809
P95 · ms24311644
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

bng2latlong vs Smappee API: common questions

Which is more reliable, bng2latlong or Smappee API?

On our scheduled checks, Smappee API leads on measured uptime — bng2latlong at 95.1% versus Smappee API at 100% 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, bng2latlong or Smappee API?

bng2latlong has the lower median latency in our checks — bng2latlong responds in 524 ms versus Smappee API at 809 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 bng2latlong and Smappee API need an API key?

bng2latlong needs no key, while Smappee API requires a free API key. If you want to start calling without signup, reach for bng2latlong first.

Can I call bng2latlong and Smappee API from the browser?

Only bng2latlong is browser-friendly — it returns CORS headers over HTTPS. Smappee API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are bng2latlong and Smappee API free for commercial use?

bng2latlong has unclear commercial terms, and Smappee API 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.