InAcademia uses academic federated identity services which means that it can access information that is directly maintained by the home institution (University) of the user. Using InAcademia, merchants can initiate a validation request using the OIDC Protocol towards the InAcademia.org service endpoint. The user is asked by InAcademia to log in to his/her home institution, at which point the institution will release a set of standard attribute values to InAcademia that can be used to prove whether he/she is a member of the academic community. InAcademia compares the affiliation value released by the home institution’s identity service against the value requested by the merchant and a simple OIDC response is passed back to the requesting merchant. For more information, please refer to https://inacademia.org/technical-overview/