OpenVan vs ProblemsByVin
Same instrument, two spec sheets — measured, not claimed.
OpenVan vs ProblemsByVin: common questions
Which is more reliable, OpenVan or ProblemsByVin?
Both are neck-and-neck — OpenVan and ProblemsByVin 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, OpenVan or ProblemsByVin?
ProblemsByVin has the lower median latency in our checks — OpenVan responds in 864 ms versus ProblemsByVin at 738 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 OpenVan and ProblemsByVin need an API key?
Neither needs a paid key — OpenVan is callable with no signup, and ProblemsByVin is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call OpenVan and ProblemsByVin from the browser?
Yes — both OpenVan and ProblemsByVin send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are OpenVan and ProblemsByVin free for commercial use?
OpenVan has unclear commercial terms, and ProblemsByVin allows commercial use on its free tier. 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.