An open database of 29,041,778 free scholarly articles.
We harvest Open Access content from over 50,000 publishers and repositories, and make it easy to find, track, and use.
"Unpaywall is transforming Open Science"
Used and trusted by top organizations
We're integrated into thousands of library systems, search platforms, and other information products worldwide. In fact, if you're involved in scholarly communication, there's a good chance you've already used Unpaywall data.
Open Source and nonprofit
Unpaywall is run by Our Research, a nonprofit dedicated to making scholarship more accessible to everyone. Open is our passion. So it's only natural our source code is open, too.
Easy access for everyone
We've helped with projects ranging from undergrad class assignments to global enterprise integrations. So no matter what your use case, we've probably got an easy way for you to access our data...after all, access is what this is all about.
There are oodles of ways to use Unpaywall's data. Check out one of these guides to learn which are right for you!