GeographyLicence: CC-BY-SA-4.0Update frequency: Daily
Nominatim — OpenStreetMap geocoding
Free global geocoding and address search: address → coordinates, coordinates → address, POI search.
Nominatim is the official geocoding API built on OpenStreetMap data. Provides free-form and structured address → coordinates (geocoding), coordinates → address (reverse geocoding), POI search and OSM-ID lookups — globally, without an API key. Complements Kartverket (the Norwegian primary source) with global coverage and place search. ODbL licence, max 1 req/s against the public server (results are cached).