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SBB Open Data vs Smartcar

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

APISBB Open DataNEW—SmartcarNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limit6000 req/window · 5999 remaining · resets 2026-07-09 00:00:00+00:00Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

SBB Open Data vs Smartcar: common questions

Which is more reliable, SBB Open Data or Smartcar?

On our scheduled checks, Smartcar leads on measured uptime — SBB Open Data at —% versus Smartcar 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 SBB Open Data and Smartcar need an API key?

SBB Open Data needs no key, while Smartcar requires a free API key. If you want to start calling without signup, reach for SBB Open Data first.

Can I call SBB Open Data and Smartcar from the browser?

Neither sends browser-friendly CORS headers reliably, so call SBB Open Data and Smartcar from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are SBB Open Data and Smartcar free for commercial use?

SBB Open Data has unclear commercial terms, and Smartcar 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.