Dataset - Helsinki Region Infoshare

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

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