shipapis
StarSubmit an APISubmit API

CarVector vs ProblemsByVin

Same instrument, two spec sheets — measured, not claimed.

APICarVectorHEALTHY92ProblemsByVinHEALTHY88
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms547738
P95 · ms18242512
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY 4.0
Free tierFree tier — key may be requiredFree (weekly-refreshed static JSON datasets)
Rate limitUnpublishedUnpublished (static JSON files)
In directory since2026-07-052026-07-05
operationalpartialdownno data

CarVector vs ProblemsByVin: common questions

Which is more reliable, CarVector or ProblemsByVin?

Both are neck-and-neck — CarVector 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, CarVector or ProblemsByVin?

CarVector has the lower median latency in our checks — CarVector responds in 547 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 CarVector and ProblemsByVin need an API key?

ProblemsByVin needs no key, while CarVector requires a free API key. If you want to start calling without signup, reach for ProblemsByVin first.

Can I call CarVector and ProblemsByVin from the browser?

Only ProblemsByVin is browser-friendly — it returns CORS headers over HTTPS. CarVector needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are CarVector and ProblemsByVin free for commercial use?

CarVector 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.