Nominatim Geocoding API

OpenStreetMap's free geocoding service that converts addresses to geographic coordinates and coordinates to addresses. Supports structured search, reverse geocoding, and lookup of OpenStreetMap objects by ID.

Slug: nominatim-geocoding
Key: nominatim.org:nominatim-geocoding-api
Base URL: https://nominatim.org
Auth: none
Endpoints: 4
Reachable: unknown
CORS: unknown
Tier: verified

Links

Homepage: https://operations.osmfoundation.org/policies/nominatim/
API Base: https://nominatim.org

Topics

GEOGRAPHY, GEOLOCATION

Tutorials

Getting Started with Nominatim Geocoding — I can convert between place names and coordinates using OpenStreetMap's Nominatim service — forward search, reverse lookup, and OSM ID resolution — with no key required, but disambiguation is your responsibility and the public server is rate-limited to 1 request per second.

Endpoints (4)

Path	Summary	Response	Auth
lookup	Lookup address details by OSM object ID	`text/plain`	—
reverse	Reverse geocoding - get address from coordinates	`application/json`	—
search	Forward geocoding - search for places by name or address	`application/json`	—
status	Query server status	`text/plain`	—

Nominatim Geocoding API

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Links

Topics

Tutorials

Endpoints (4)