SpaceX
HTTPS CORS ? Free
GraphQL, Company, Ships, launchpad and launch data
API Endpoint
https://api.spacex.land/graphql/More Science & Math APIs
Multiple astronomy data sources
HTTPS CORS ? Free
Curated research-sharing platform: physics, mathematics, quantitative finance, and economics
HTTPS CORS ? Free
Access the world's Open Access research papers
HTTPS CORS ? apiKey