Timezone
Retrieving the timezone at a lat/lng
Geocoder
Retrieving the lat/lng for a named location
Retrieving a named location from a lat/lng
Weather
Retrieving the current weather for a lat/lng
You'll need to pass an OpenWeatherMap.org API key in the request. Icon names reference the weather-icons icon font.
Static Maps
/map/img?marker[]=lat:45.5165;lng:-122.6764;icon:small-blue-cutout&basemap=gray&width=600&height=240&zoom=14
See Static-Maps-API for full API docs