Administrative Divisions DB vs Postcodes.io
Same instrument, two spec sheets — measured, not claimed.
Administrative Divisions DB vs Postcodes.io: common questions
Which is more reliable, Administrative Divisions DB or Postcodes.io?
On our scheduled checks, Postcodes.io leads on measured uptime — Administrative Divisions DB at —% versus Postcodes.io 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 Postcodes.io need an API key?
Neither needs a paid key — Administrative Divisions DB is callable with no signup, and Postcodes.io is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Administrative Divisions DB and Postcodes.io from the browser?
Yes — both Administrative Divisions DB and Postcodes.io 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 Administrative Divisions DB and Postcodes.io free for commercial use?
Administrative Divisions DB has unclear commercial terms, and Postcodes.io 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.