Arul's IP API vs Nominatim (OSM)
Same instrument, two spec sheets — measured, not claimed.
Arul's IP API vs Nominatim (OSM): common questions
Which is more reliable, Arul's IP API or Nominatim (OSM)?
On our scheduled checks, Nominatim (OSM) leads on measured uptime — Arul's IP API at —% versus Nominatim (OSM) 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 Arul's IP API and Nominatim (OSM) need an API key?
Neither needs a paid key — Arul's IP API is callable with no signup, and Nominatim (OSM) is keyless with a required User-Agent header. Both are quick to prototype with; rate limits still apply.
Can I call Arul's IP API and Nominatim (OSM) from the browser?
Yes — both Arul's IP API and Nominatim (OSM) 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 Arul's IP API and Nominatim (OSM) free for commercial use?
Arul's IP API has unclear commercial terms, and Nominatim (OSM) is personal/non-commercial only. 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.