Onyx Bazaar
HTTPS CORS ? Free
Free public leaderboard of x402 paid HTTP services indexed from Coinbase CDP discovery API
API Endpoint
https://onyx-actions.onrender.com/bazaarMore 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