ProblemsByVin vs Transport for Spain
Same instrument, two spec sheets — measured, not claimed.
ProblemsByVin vs Transport for Spain: common questions
Which is more reliable, ProblemsByVin or Transport for Spain?
Both are neck-and-neck — ProblemsByVin 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, ProblemsByVin or Transport for Spain?
Transport for Spain has the lower median latency in our checks — ProblemsByVin responds in 738 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 ProblemsByVin and Transport for Spain need an API key?
Neither needs a paid key — ProblemsByVin is callable with no signup, and Transport for Spain is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call ProblemsByVin and Transport for Spain from the browser?
Only ProblemsByVin is browser-friendly — it returns CORS headers over HTTPS. Transport for Spain needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are ProblemsByVin and Transport for Spain free for commercial use?
ProblemsByVin allows commercial use on its free tier, 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.