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