Registrum
HTTPS No CORS apiKey
UK company data: profiles, directors, PSC, iXBRL-parsed financials, ECCTA status
API Endpoint
https://api.registrum.co.uk/docsMore 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