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roadoi:Find Free Versions of Scholarly Publications via Unpaywall
This web client interfaces Unpaywall <https://unpaywall.org/products/api>, formerly oaDOI, a service finding free full-texts of academic papers by linking DOIs with open access journals and repositories. It provides unified access to various data sources for open access full-text links including Crossref and the Directory of Open Access Journals (DOAJ). API usage is free and no registration is required.
Maintained by Najko Jahn. Last updated 6 months ago.
altmetricscode4liboadoiopen-accesspeer-reviewedunpaywallwebclient
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