Europe PMC
HTTPS CORS Free
Life-science literature search with abstracts, citations and full-text links
API Endpoint
https://europepmc.org/RestfulWebServiceMore Science & Math APIs
Multiple astronomy data sources
HTTPS CORS ? Free
Curated research-sharing platform: physics, mathematics, quantitative finance, and economics
HTTPS CORS ? Free
Render LaTeX equations in PNG, GIF, SVG, EMF, PDF, JSON, or download formats with styling options
HTTPS CORS ? Free