A very good Geo / GIS API: Geoapify.com
Powered by Open Street Map (OSM) data.
22x better price than Google API!
3K free calls / day
$200/month "free" = 40K geocoding api calls
300K/month = $1300
Geoapify.com Maps, APIs and components | Geoapify Location Platform
Develop location-aware apps for your business with our user friendly APIs and location services
3K calls/day free = 90K/month
10K/day = 300K/month = $59 = 22 times less than Google!
py4e-data.dr-chuck.net Data Sources
Python For Everybody Open StreetMap / GeoAPIfy Proxy Server
free access to OSM data on AWS