An OpenID Provider (OPOP An OpenID Provider (OP) is an entity that has implemented the OpenID Connect and OAuth 2.0 protocols, OP’s can sometimes be referred to by the role it plays, such as: a security token service, an identity provider (IDP), or an authorization server.) is an entity that has implemented the OpenID Connect and OAuth 2.0 protocols, OP’s can sometimes be referred to by the role it plays, such as: a security token service, an identity provider (IDP), or an authorizationAuthorization Authorization refers to the act of determining whether an authenticated user is allowed to access a specific resource or take a specific action. For more information, see our Concepts page. server.