x402mpp.sh
ExplorerDirectory
endpoint / cataloged

Resolve one research paper and fuse its metadata across OpenAlex, Crossref, Unpaywall and Semantic Scholar into a single

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, authors with ORCID and affiliations, venue, citation counts, an open-access PDF link and a full id crosswalk.

https://payai.agentstools.dev/scholar/paper ↗
Statuscataloged
Networksolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Schemeexact
First seen2026-08-30T16:44:52Z

Payment + protocol

MethodGET
Protocolx402 v2
Networksolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Schemeexact
AssetEPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v
Amount20000
Pay toAytHnvc6bZx1ALTy7b5Px7hcavoSYszG9aeKvDcZ8R1u
Evidencebazaar
First seen2026-08-30T16:44:52Z
Last seen2026-08-30T20:17:54Z

Discovery evidence

PayAI Bazaar ↗Machine record →Sitemap index →

Related on payai.agentstools.dev

US payroll tax estimate: Social Security and Medicare on wages, or self-employment tax, including the additional Medicarsolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpUS capital gains tax estimate: long-term 0/15/20 percent rates or short-term ordinary rates, plus the net investment incsolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpUS petroleum prices and stocks from the EIA: retail gasoline and diesel by PADD region (weekly), WTI and Brent crude sposolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpSearch US federal bills by keyword (optionally within one Congress) and get a ranked list of matching bills with id, titsolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpFocused check of a site's /llms.txt and /llms-full.txt: presence, size and llmstxt.org structural validity (an H1 title,solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpNotarize a public URL: we fetch it ourselves and return a signed snapshot (final URL, HTTP status, content-type, sha256 solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp