Nominatim (OpenStreetMap)
Open-source geocoder for OpenStreetMap data, free to use via the public endpoint or self-hosted.
Nominatim (OpenStreetMap) is listed in Geo & Maps.
Auth No auth Pricing Free URL https://nominatim.org/ Docs https://nominatim.org/release-docs/latest/api/Overview/
Key metrics
1 req/sec Rate limit Public instance: maximum 1 request/second, no heavy/bulk use; OSM attribution required and a valid User-Agent. No API key.
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Labels
- No auth
No auth
Callable with no API key or login — lowest-friction to integrate.
geocoding openstreetmap open-source reverse-geocoding