Socrata
HTTPS CORS OAuth
Access to Open Data from Governments, Non-profits and NGOs around the world
API Endpoint
https://dev.socrata.com/More Open Data APIs
Unofficial US Federal Government API Development
HTTP CORS ? Free
Land suitability scoring API for any US property: off-grid, rural, recreational, investment
HTTPS CORS ? apiKey
An Indian Government platform that provides a lot of APIS for KYC, business, education & employment
HTTPS CORS Free