I'm using WSO2 Identity Server 5.3.0 and I would log in to my Application via Identity Server using ORCID credentials. ORCID provides a public API and I can't understand how integrate it on Identity Server.
I would do something like that: https://docs.wso2.com/display/IS530/Logging+in+to+your+Application+via+Identity+Server+using+Facebook+Credentials