What is unpaywall.org?

unpaywall.org is a Website run by OurResearch, a nonprofit dedicated to making scholarship more accessible to everyone. It hosts the oaDOI (Open Access DOI) database with millions of free scholarly articles.

unpaywall.org offers 3 interfaces for you to access research papers:

• Browser Plugin - Install Unpaywall plugin for Chrome and Firefox to find and access research papers.
• API - Call Unpaywall API to find and access research papers
• Web Search - Use Web browser to find and access research papers

Here is how to its Web Search interface.

1. Go to https://unpaywall.org/articles. You see the research paper lookup form.

2. Enter your DOI number like "10.1038/d41586-018-05968-3". And press <Enter> key. You see the matched research paper information displayed under the lookup form.

3. click the "HTML" link next to the matched paper. You see the full content of the paper.

⇒ Unpaywall Browser Plugin to Access Papers

⇐ LibKey.io - Access Research Paper Content

⇑ Other DOI Tools and Resources

⇑⇑ DOI - Frequently Asked Questions