Datasets Activity Stream Submit Last Created Popular Relevance Name Ascending Name Descending Last Modified Go 2 datasets found Linked Events Helsinki API You can use Helsinki’s Linked Events API to retrieve event data of several City of Helsinki divisions and the Helmet library service in a uniform format. The geographic data is... JSON Helsinki metropolitan area Service Map APIs The Service Map is an open information channel on the service points and services offered by the cities of Helsinki, Espoo, Vantaa and Kauniainen. The Service Map helps the... JSON WFS