CarVector vs Transport for Spain
Same instrument, two spec sheets — measured, not claimed.
CarVector vs Transport for Spain: common questions
Which is more reliable, CarVector or Transport for Spain?
Both are neck-and-neck — CarVector and Transport for Spain 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 Transport for Spain?
CarVector has the lower median latency in our checks — CarVector responds in 547 ms versus Transport for Spain at 603 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 Transport for Spain need an API key?
Transport for Spain needs no key, while CarVector requires a free API key. If you want to start calling without signup, reach for Transport for Spain first.
Can I call CarVector and Transport for Spain from the browser?
Neither sends browser-friendly CORS headers reliably, so call CarVector and Transport for Spain 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 Transport for Spain free for commercial use?
CarVector has unclear commercial terms, and Transport for Spain 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.