PostalPinCode vs Road511
Same instrument, two spec sheets — measured, not claimed.
PostalPinCode vs Road511: common questions
Which is more reliable, PostalPinCode or Road511?
On our scheduled checks, PostalPinCode leads on measured uptime — PostalPinCode at 98.0% versus Road511 at 27.5% 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, PostalPinCode or Road511?
PostalPinCode has the lower median latency in our checks — PostalPinCode responds in 912 ms versus Road511 at 1128 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 PostalPinCode and Road511 need an API key?
PostalPinCode needs no key, while Road511 requires a free API key. If you want to start calling without signup, reach for PostalPinCode first.
Can I call PostalPinCode and Road511 from the browser?
Yes — both PostalPinCode and Road511 send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are PostalPinCode and Road511 free for commercial use?
PostalPinCode has unclear commercial terms, and Road511 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.