In order to enable Altmetric Explorer for Institutions access via your EZProxy server, Altmetric requires the following database definition in config.txt:
T Altmetric Explorer for Institutions HTTPHeader -process -request Origin HTTPHeader -process -request X-CSRF-Token U https://www.altmetric.com/explorer HJ www.altmetric.com HJ www.altmetricexplorer.com HJ https://www.altmetric.com HJ https://www.altmetricexplorer.com DJ altmetric.com DJ altmetricexplorer.com
Please note that the starting point URL should be something like: https://ezproxy.myinstitution.edu/login?url=https://www.altmetric.com/explorer
That's it! Your users will then be able to access Altmetric Explorer for Institutions off-campus via your proxy server.