BigDataCloud's Free API
FreeLiveLast verified 24 Sept 2026
Free client-side reverse geocoding, public IP, user-agent and roaming detection, no key needed.
Example request
curl -s 'https://api.bigdatacloud.net/data/reverse-geocode-client?latitude=37.42159&longitude=-122.0837&localityLanguage=en'
Free tier, in plain English
No key, no sign-up, and no stated rate limit, but calls must originate client-side per the fair use policy.
Alternatives in Geocoding
administrative-divisions-dbFirst-level administrative divisions (states/provinces) per country, sourced from GeoNames, as static JSON.FreeAPI AdresseFrench government address geocoding and reverse geocoding, built from the national address database.FreeAPI Adresse (Base Adresse Nationale)Searches and geocodes official French addresses from the national address database, no key needed.FreeAPI GéoLooks up French communes, départements, and regions by name, postal code, or coordinates.FreeAtlasFetchReverse-geocodes coordinates to country, region and municipality with ISO codes.Freemium