CORE
Scholarly Free key (no card)
AuthenticationFree key (no card)
Rate limit5 single requests or 1 batch request every 10 seconds on the free plan.
Documentation: core.ac.uk ยท Checked Sep 13, 2026
About
CORE aggregates open-access research papers from repositories and journals around the world into one searchable API. You can search titles and full text, get download links, and explore citation data. A free API key is available for personal and noncommercial academic use; companies need a separate license.
Details
Free to start. You may need a free key, but no credit card.
Auth: Free key (no card)
Rate limit: 5 single requests or 1 batch request every 10 seconds on the free plan.
Verified: 2026-09-13
Best for: personal developer
Setup
- Sign up for a free API key on the CORE API services page (personal/academic use).
- Copy your key and send it as a Bearer token in the Authorization header.
- Paste the example request with your key to test a search.
- Explore the docs for works, journals, and download endpoints.
Example
curl -H 'Authorization: Bearer YOUR_KEY' 'https://api.core.ac.uk/v3/search/works?q=machine+learning'Use cases
- Search millions of open-access papers by keyword and get full-text links
- Build a literature-review tool that pulls papers across all disciplines
- Track new open-access publications on a research topic automatically