Satu-Hetu query is a communication method to request authenticated user's national identification number from the Finnish Population Register Centre. Satu-Hetu query is available with any authentication method that involves HST-certificates, such as Certificate AP and ETSI MSS.
Satu-Hetu configuration is used to configure the connection parameters provided by the Population Register Center and to enable the configuration for selected authentication methods. More detailed information regarding configuration of a Satu-Hetu query is contained in the Satu-Hetu Configuration With CertAP page.