Subsystems lists services and service descriptions offered by organisations that have joined the Data Exchange Layer. A subsystem is used to provide services through the Data Exchange Layer and connect systems that are used for consuming services to the Data Exchange Layer.

If you wish to implement a service that is listed in the API Catalogue, read our instructions on implementing services and contact the service provider.

6 subsystems
  • Maintaining the Population Information System

    What is the VTJyllapito interface? The Population Information System is a basic register containing the personal data about Finnish citizens and foreign citizens residing in Finland on a permanent or temporary basis. The system also contains the information on buildings, construction projects and dwellings as well as the details of the...
    • WSDL
  • e-Authorizations

    General description e-Authorizations is a service that enables an organisation to verify the mandates of a person or a company to act online on behalf of another person or a company they represent. When verifying the mandates, the organisation's e-service enquiries the e-Authorizations service in order to determine whether the...
    • WSDL
  • VTJkysely interface

    VTJ query interface What does the service offer? The VTJkysely query interface of the Digital and Population Data Services Agency is intended for a situations where your organisation needs the following information from the Population Information System: personal data building information apartment information. Through the VTJkysely...
    • XML
    • XSD
    • WSDL
  • Testservice

    Test the connection between your Security Server and the Data Exchange Layer Purpose of the testing services The Testservice allows you to test the connection of your Security Server to the Data Exchange Layer. The subsystem also contains a few simple test services that allow you to test the operation of SOAP and REST messages...
    • WSDL
    • REST
  • Reporting guardianship information to the Population Information System

    What does the service offer? The Digital and Population Data Services Agency's interface for reporting a child’s guardianship information, “vtjlapsihuolto”, is intended for municipalities, joint municipal authorities, district courts and courts of appeal, which have an obligation to report a child’s guardianship information to the...
You can also access this registry using the Subsystem (see API Docs).