18F
HTTP CORS ? Free
Unofficial US Federal Government API Development
API Endpoint
http://18f.github.io/API-All-the-X/More Open Data APIs
Normalized historical records and 25 daily-updated reference series
HTTPS 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