Apimetro vs CarAPI

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

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms6491223
P95 · ms28692287
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Apimetro vs CarAPI: common questions

Which is more reliable, Apimetro or CarAPI?

On our scheduled checks, CarAPI leads on measured uptime — Apimetro at 99.02% versus CarAPI 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 CarAPI?

Apimetro has the lower median latency in our checks — Apimetro responds in 649 ms versus CarAPI at 1223 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 CarAPI need an API key?

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

Can I call Apimetro and CarAPI from the browser?

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

Are Apimetro and CarAPI free for commercial use?

Apimetro has unclear commercial terms, and CarAPI 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.