CarAPI vs PostalPinCode
Same instrument, two spec sheets — measured, not claimed.
CarAPI vs PostalPinCode: common questions
Which is more reliable, CarAPI or PostalPinCode?
On our scheduled checks, CarAPI leads on measured uptime — CarAPI at 100% versus PostalPinCode at 98.0% 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, CarAPI or PostalPinCode?
PostalPinCode has the lower median latency in our checks — CarAPI responds in 1223 ms versus PostalPinCode at 912 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 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.