Apimetro vs CarVector
Same instrument, two spec sheets — measured, not claimed.
Apimetro vs CarVector: common questions
Which is more reliable, Apimetro or CarVector?
On our scheduled checks, CarVector leads on measured uptime — Apimetro at 99.02% versus CarVector at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Apimetro or CarVector?
CarVector has the lower median latency in our checks — Apimetro responds in 649 ms versus CarVector at 547 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 Apimetro and CarVector need an API key?
Apimetro needs no key, while CarVector requires a free API key. If you want to start calling without signup, reach for Apimetro first.
Can I call Apimetro and CarVector from the browser?
Only Apimetro 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 Apimetro and CarVector free for commercial use?
Apimetro has unclear commercial terms, and CarVector 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.