OpenAlex
HTTPS CORS Free
Open catalog of scholarly works, authors, institutions, sources, and concepts
API Endpoint
https://docs.openalex.org/More Science & Math APIs
Multiple astronomy data sources
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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