Dataset - Helsinki Region Infoshare

Aluesarjat statistical database data as spatial data

Aluesarjat - Key figures enables the use of statistical data by sub-region of Helsinki using the open WFS interface. The statistics are based on the data in the Helsinki region...
- WFS
Historical guide maps of the City of Helsinki

Historical guide maps of Helsinki from 1940, 1952, 1962 and 1999. The guide maps include the following Information: place names, streets, roads and railway connections, public...
- TIFF
- WMS
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 register REST API

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...
- XML
- JSON
Open decision API of Helsinki

Note (12/2023): OpenAhjo is not in production, so the up-to-dateness or availability of its data cannot be guaranteed. You can search for public decision data for the City of...
- XML
- 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

You can also access this registry using the API (see API docs).