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PostalPinCode vs Smartcar

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

APIPostalPinCodeNEW—SmartcarNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

PostalPinCode vs Smartcar: common questions

Which is more reliable, PostalPinCode or Smartcar?

On our scheduled checks, Smartcar leads on measured uptime — PostalPinCode at —% versus Smartcar 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 PostalPinCode and Smartcar need an API key?

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

Can I call PostalPinCode and Smartcar from the browser?

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

Are PostalPinCode and Smartcar free for commercial use?

PostalPinCode has unclear commercial terms, and Smartcar 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.