Resolve one DOI into normalized open Crossref bibliographic, author, container, citation-count, license, identifier, and correction or retraction-link metadata without abstracts or full text.
Prevents citation hallucination by verifying academic citations against CrossRef's database of 150+ million publications before they can be mentioned, ensuring every citation includes a valid DOI.
Converts Digital Object Identifiers (DOIs) to BibTeX format using the official DOI content negotiation API, enabling users to quickly generate bibliography entries for academic papers.
Discover related academic papers using citation graph similarity, enriched with OpenAlex metadata. Provide a DOI, OpenAlex ID, or PMID to retrieve relevant literature for research.
Get detailed preprint metadata by DOI, including title, authors, abstract, date, version, category, license, and publication status from bioRxiv or medRxiv.
Determine whether a scholarly work is openly accessible and locate its best legal version. Resolves DOI, PMID, PMCID, arXiv, ISBN, or ADS identifiers via Unpaywall.
Search international research literature via Crossref to retrieve bibliographic records with DOI, authors, year, and type. Use for scholarly articles across disciplines.
Retrieve academic paper metadata including title, authors, year, journal, and open access status using DOI, arXiv ID, or URL without downloading the full paper.