Cartes.io
HTTPS CORS ? Free
Create maps and markers for anything
API Endpoint
https://github.com/M-Media-Group/Cartes.io/wiki/APIMore Geocoding APIs
Geolocate website visitors from their IPs
HTTPS CORS apiKey
Actinia is an open source REST API for geographical data that uses GRASS GIS
HTTPS CORS ? apiKey
Get all administrative divisions of a country
HTTPS CORS Free