PostalPinCode vs StayingAPI
Same instrument, two spec sheets — measured, not claimed.
PostalPinCode vs StayingAPI: common questions
Which is more reliable, PostalPinCode or StayingAPI?
On our scheduled checks, StayingAPI leads on measured uptime — PostalPinCode at 98.3% versus StayingAPI 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, PostalPinCode or StayingAPI?
StayingAPI has the lower median latency in our checks — PostalPinCode responds in 699 ms versus StayingAPI at 143 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 StayingAPI need an API key?
PostalPinCode needs no key, while StayingAPI requires a free API key. If you want to start calling without signup, reach for PostalPinCode first.
Can I call PostalPinCode and StayingAPI from the browser?
Only PostalPinCode is browser-friendly — it returns CORS headers over HTTPS. StayingAPI needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are PostalPinCode and StayingAPI free for commercial use?
PostalPinCode has unclear commercial terms, and StayingAPI 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.