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CarAPI vs PostalPinCode

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

APICarAPINEW—PostalPinCodeNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CarAPI vs PostalPinCode: common questions

Which is more reliable, CarAPI or PostalPinCode?

On our scheduled checks, PostalPinCode leads on measured uptime — CarAPI at —% versus PostalPinCode at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do CarAPI and PostalPinCode need an API key?

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

Can I call CarAPI and PostalPinCode from the browser?

Only PostalPinCode 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 CarAPI and PostalPinCode free for commercial use?

CarAPI has unclear commercial terms, and PostalPinCode 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.