CarAPI vs SBB Open Data
Same instrument, two spec sheets — measured, not claimed.
CarAPI vs SBB Open Data: common questions
Which is more reliable, CarAPI or SBB Open Data?
On our scheduled checks, CarAPI leads on measured uptime — CarAPI at 100% versus SBB Open Data at 99.02% 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, CarAPI or SBB Open Data?
CarAPI has the lower median latency in our checks — CarAPI responds in 1223 ms versus SBB Open Data at 1230 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 CarAPI and SBB Open Data need an API key?
SBB Open Data needs no key, while CarAPI requires a free API key. If you want to start calling without signup, reach for SBB Open Data first.
Can I call CarAPI and SBB Open Data from the browser?
Neither sends browser-friendly CORS headers reliably, so call CarAPI and SBB Open Data from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are CarAPI and SBB Open Data free for commercial use?
CarAPI has unclear commercial terms, and SBB Open 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.