Developer documentation
One account key. Three research APIs.
Use your existing account API key for scholarly metadata, paper files, and research tools. Each use case has its own activation setting and quota.
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Scholar Metadata API
Search works, authors, journals, institutions, and the scholarly graph. Metadata records may have no available fulltext or PDF.
Metadata endpoints and query referenceCEDOA Files API
Find papers with fulltext, XML, a stored PDF, or a ranked downloadable PDF link. Metadata-only records are excluded. Retrieve files and inspect source provenance and licences.
Files endpoints and content formatsResearch MCP
Connect an AI client over Streamable HTTP or call research tools through JSON. Search across sources, verify citations, and manage account-scoped literature reviews.
Client setup and tool reference