Nominatim
FreeLiveLast verified 24 Sept 2026
Free OpenStreetMap geocoding and reverse geocoding, no key required, rate-limited to about 1 request/sec.
Example request
curl -s -H 'User-Agent: WildAPIsResearch/0.1 (+https://wildapis.com)' 'https://nominatim.openstreetmap.org/search?q=135+pilkington+avenue,+birmingham&format=json'
Free tier, in plain English
No key needed, but the shared public server throttles to about one request per second and discourages sustained bulk use.
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