Helsinki Metropolitan Area (Helsinki, Espoo, Vantaa and Kauniainen) service register REST API. The interface offers possibilities to make queries and use the data in the Helsinki, Espoo, Vantaa and Kauniainen Service Register. The interface has been developed in accordance with the REST models and you can make date queries in either JSON or XML format.
Through the interface, it is possible to make the following kinds of data queries:
- service descriptions
- service-related e-services
- service channels of e-services
- search words relating to the service descriptions
More information: https://www.hel.fi/palvelukarttaws/restpages/palvelurekisteri_en.html