Saylor Innovations DOI Citation x402 REST usage
Resolve a DOI to publication metadata - citation text, identifiers and source links
0.01 USDC per call
per call
Doi
7 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
scholar-paper x402 REST usage
Resolve one research paper and fuse its metadata across OpenAlex, Crossref, Unpaywall and Semantic Scholar into a single cited JSON. Give a doi, arxiv, pmid, pmcid, openalex_id or title and get canonical metadata, author...
0.02 USDC per call
per call
doi-lookup x402 REST usage
Look up a DOI: full paper metadata (title, authors, journal, volume, issue, pages, year, publisher, funders, subjects), citation and reference counts, abstract, links and a ready APA citation. $0.01 per lookup.
0.01 USDC per call
per call
DOI metadata and citation x402 REST usage
Metadata of a publication by DOI (Crossref): title, authors, journal or publisher, year, type, citation count, references, license, link and an APA-formatted citation.
0.003 USDC per call
per call
TariffMonkee x402 REST usage
Health and payment-path check. Returns server time and confirms the x402 payment settled. The cheapest endpoint in the catalog at $0.001, intended for testing a client's payment flow.
0.001 USDC per call
per call
Doi x402 REST usage
DOI lookup: citation metadata, authors, journal, citations, abstract — Genesis402 / UnyKorn Operator Network
0.003 USDC per call
per call
Research Paper Search (Crossref) x402 REST usage
Search published research papers and articles across all publishers (Crossref): title, authors, journal, year, DOI, citation count and abstract, by relevance, date or citations. Use to find and cite sources.
0.002 USDC per call
per call