AtlasFetch

HTTPS No CORS apiKey

Reverse geocode coordinates to country, region and municipality with ISO 3166 codes

More Geocoding APIs

Locate and identify website visitors by IP address

HTTPS CORS ? apiKey

Real-time Geolocation & Reverse IP Lookup REST API

HTTPS CORS ? apiKey

Actinia is an open source REST API for geographical data that uses GRASS GIS

HTTPS CORS ? apiKey