POC Crossref API
Figure out how Crossref works. Where do we need to do requests and what's steps should be done to enable possibility to use API.
https://www.crossref.org/services/content-registration/
https://www.crossref.org/education/member-setup/constructing-your-dois/
https://www.crossref.org/education/retrieve-metadata/rest-api/
https://github.com/CrossRef/rest-api-doc.