CarVector vs Metro Lisboa
Same instrument, two spec sheets — measured, not claimed.
CarVector vs Metro Lisboa: common questions
Which is more reliable, CarVector or Metro Lisboa?
Both are neck-and-neck — CarVector and Metro Lisboa each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, CarVector or Metro Lisboa?
CarVector has the lower median latency in our checks — CarVector responds in 547 ms versus Metro Lisboa at 1308 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 CarVector and Metro Lisboa need an API key?
Metro Lisboa needs no key, while CarVector requires a free API key. If you want to start calling without signup, reach for Metro Lisboa first.
Can I call CarVector and Metro Lisboa from the browser?
Neither sends browser-friendly CORS headers reliably, so call CarVector and Metro Lisboa from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are CarVector and Metro Lisboa free for commercial use?
CarVector has unclear commercial terms, and Metro Lisboa 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.