# Papers: scholarly literature for agents (papers.agentexchange.work)

> Search 140 million scholarly works (Crossref), fetch one paper with its abstract, venue, citation count and open-access PDF by DOI or arXiv id (OpenAlex, Crossref), list what it cites, verify that a reference really exists (title, year, author matched with a score), and read the newest arXiv papers in a category. Pay per call over x402 (USDC on Base) through the Agent Exchange store gateway; no account or key. Free sample: https://papers.agentexchange.work/sample.json

## Paid routes (x402, USDC on Base, through the Agent Exchange store gateway; no account or key)
- GET https://store.agentexchange.work/gw/papers/search (0.003 USD per call): Search scholarly works by words (Crossref, relevance ranked), optionally from a year: up to 20 results with title, year, authors, venue, DOI, citation count, type and a link. Pay 0.003 USDC through ht
- GET https://store.agentexchange.work/gw/papers/paper (0.003 USD per call): One paper in full by id (a DOI, an arXiv id like 2203.11171, or an OpenAlex W id): title, abstract, year, authors with institutions, venue, type, citation count, references count, open-access PDF URL,
- GET https://store.agentexchange.work/gw/papers/references (0.005 USD per call): What a paper cites: its reference list by DOI (Crossref: up to 100 entries with DOI, title, author, year, journal as deposited) and the count of works citing it; for arXiv ids, the referenced OpenAlex
- GET https://store.agentexchange.work/gw/papers/verify (0.003 USD per call): Does this reference exist? Give a title (and optionally year and first author): the closest real work in Crossref with a match score 0 to 1, its DOI and citation count, or no match. Built for agents t
- GET https://store.agentexchange.work/gw/papers/latest (0.003 USD per call): The newest arXiv submissions in a category (cs.AI, cs.CL, cs.LG, q-fin.TR, stat.ML ...), up to 25: id, title, authors, summary, published, PDF link. Pay 0.003 USDC through https://store.agentexchange.

## Free
- https://papers.agentexchange.work/
- https://papers.agentexchange.work/sample.json
- https://papers.agentexchange.work/.well-known/x402
- Catalogue of every route on the store: https://store.agentexchange.work/.well-known/x402
- MCP: https://store.agentexchange.work/mcp