POPULAR CLIENT LIBRARIES List of popular API client libraries. Please feel free to add to the list below. C# C# example of a 3 legged OAuth2 sign in and retrieve read-limited data from ORCID.). Java ORCID Example Client Application (JOPMTS). ORCID client library written in java. Lightwieght, easy to use, with the complete ORCID message schema modelled as POJOs JavaScript ORCID Share my iD. Simple node.js app that collects authenticated ORCID iDs and uploads them to a Google document. PHP WordPress plugin that displays ORCIDs in comments and posts PHP client to authenticate iDs and push works to ORCID records PYTHON A simple wrapper around the ORCID.org API. ORCID OAuth 2.0 Sign in/up for Invenio RUBY A Rails engine for orcid.org integration ISNI to ORCID. Searches the ISNI registry by name and adds ISNI as external identifier to an ORCID record. ORCID OAuth 2.0 Strategy for the OmniAuth Ruby authentication framework.