Papers

Academic paper search & citation graphs (arXiv, OpenAlex & more). 2 pay-per-call papers endpoints for AI agents — keyless, USDC via x402.

WATCHERS Don't poll — get woken up

Arm a paid watcher on papers and we push a signed callback the moment it happens — no polling loop. All watchers →

Paper $0.125get a signed callback when a new academic paper matching your query is published (arXiv / PubMed / Semantic Scholar).
papers.citations$0.0060
Citation graph for a scholarly work via OpenAlex.
GET /api/papers/citations
papers.search$0.0060
Unified scientific literature search across arXiv (preprints), PubMed (biomedical), and Semantic Scholar (cross-field, with citation counts).
GET /api/papers/search

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