Free geocoding and reverse geocoding service on OpenStreetMap data. Rate-limited to 1 request per second.
Catalog notes to consider when evaluating the integration, in addition to the provider documentation.
Cache is required in production. Rate limited to 1 req/sec, excess may be blocked. User-Agent header is required.
Last verified: February 8, 2026
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Crossref REST API exposes book and article metadata through read-only search endpoints.
Public test lab configuration summary for this API.
https://nominatim.openstreetmap.org/Methods
Verified endpoint examples
/searchAddress / place search
Free-text search for addresses or place names. format=json is required.
/searchStructured address search
Structured search by street, city, state, country fields. Gives more precise results.
/reverseCoordinate to address (reverse)
Returns nearest address from lat/lon coordinates. zoom=18 is street level.
/lookupBatch lookup by OSM ID
Batch location lookup by OSM IDs. R=relation, W=way, N=node.
Tracked public interactions for this catalog entry.
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