https://transparentgov.net/json2tree/gateway/geocode.html
Example
Reverse geocode : location to address
https://transparentgov.net:3200/googlemaps28/default?url2=https%3A%2F%2Fgis.la-quinta.org%2Farcgis%2Frest%2Fservices%2FGoGov%2FComposite_geocode%2FGeocodeServer¢er_lat=33.66092750488071¢er_long=-116.27475654999999¢er_zoom=13&panto=0
address to lat lng - with optional searchable reference layer
https://transparentgov.net:3200/googlemaps26/default?url2=https%3A%2F%2Fgis.la-quinta.org%2Farcgis%2Frest%2Fservices%2FGoGov%2FComposite_geocode%2FGeocodeServer¢er_lat=33.66709455453129¢er_long=-116.28216490033286¢er_zoom=15&panto=0
address to lat lng - with optional clickable image reference layer
https://transparentgov.net:3200/googlemaps27/default?url2=https%3A%2F%2Fgis.la-quinta.org%2Farcgis%2Frest%2Fservices%2FGoGov%2FComposite_geocode%2FGeocodeServer¢er_lat=33.68381624784225¢er_long=-116.29345983805096¢er_zoom=16&panto=0