Addresses GeoCoding and Reverse GeoCoding

Reverse Address Geocoding Webservice

Find nearest Address

Finds the nearest street and address for a given lat/lng pair.

Url

api.geonames.org/address?

Parameters

lat, lng; radius in m (default=100); maxRows (default=1)

Restriction

this webservice is only available for selected countries, see list below.

Result

returns the nearest address for the given latitude/longitude.

Example

http://api.geonames.org/address?lat=52.358&lng=4.881&username=demo

Also available in JSON format: http://api.geonames.org/addressJSON?lat=52.358&lng=4.881&username=demo

Address Geocoding Webservice

Find lat/lng for Address

Returns the location lat/lng for a given address.

Url

api.geonames.org/geoCodeAddress?

Parameters

q (query term, url encoded)

Optional parameters

country (iso countrycode), postalcode

Restriction

this webservice is only available for selected countries, see list below.

Example

http://api.geonames.org/geoCodeAddress?q=Museumplein+6+amsterdam&username=demo

Also available in JSON format: http://api.geonames.org/geoCodeAddressJSON?q=Museumplein+6+amsterdam&username=demo

Streetname Lookup Webservice

Autocomplete Streetnames

Returns a list of streets which start with the search term.

Url

api.geonames.org/streetNameLookup?

Parameters

q (query term, url encoded)

Optional parameters

country (iso countrycode), postalcode, adminCode1, adminCode2, adminCode3, isUniqueStreetName (duplicate street names are filtered, the placename will be empty when the same street name occurs at different places)

Restriction

this webservice is only available for selected countries, see list below.

Example

http://api.geonames.org/streetNameLookup?q=Museum&username=demo

Also available in JSON format: http://api.geonames.org/streetNameLookupJSON?q=Museum&username=demo

Supported Countries