Zipcodestack vs Administrative Divisions DB
Same instrument, two spec sheets — measured, not claimed.
Zipcodestack vs Administrative Divisions DB: common questions
Which is more reliable, Zipcodestack or Administrative Divisions DB?
On our scheduled checks, Administrative Divisions DB leads on measured uptime — Zipcodestack at —% versus Administrative Divisions DB 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 Zipcodestack and Administrative Divisions DB need an API key?
Administrative Divisions DB needs no key, while Zipcodestack requires a free API key. If you want to start calling without signup, reach for Administrative Divisions DB first.
Can I call Zipcodestack and Administrative Divisions DB from the browser?
Yes — both Zipcodestack and Administrative Divisions DB 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 Zipcodestack and Administrative Divisions DB free for commercial use?
Zipcodestack has unclear commercial terms, and Administrative Divisions DB 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.