University of Oslo
HTTPS CORS ? Free
Courses, lecture videos, detailed information for courses etc. for the University of Oslo (Norway)
API Endpoint
https://data.uio.no/More Open Data APIs
Unofficial US Federal Government API Development
HTTP CORS ? Free
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