The OpenAlex Works API includes open access information:
https://docs.openalex.org/api-entities/works/work-object#open_access


Marijane White, M.S.L.I.S. 
Data and Research Engagement Librarian, Assistant Professor 
Oregon Health & Science University Library 

Email: [log in to unmask] <mailto:[log in to unmask]> 
ORCiD: https://orcid.org/0000-0001-5059-4132 <https://orcid.org/0000-0001-5059-4132> 



On 1/26/23, 8:16 AM, "Code for Libraries on behalf of Eric Lease Morgan" <[log in to unmask] <mailto:[log in to unmask]> on behalf of [log in to unmask] <mailto:[log in to unmask]>> wrote:


Given bibliographic metadata such as author, article title, journal title, date, etc., how can one programmatically go about learning whether or not the given article has been published as open access? I suppose I could query something like SHERPA. No? What might you suggest? --Eric Morgan, University of Notre Dame