Joukahainen is a database of Finnish vocabulary provided in XML format. It can be used for development of linguistic software such as proofreaders and search engines.

Oulun kaupungin ajankohtaisia uutisia, tiedotteita ja tapahtumia rss-muodossa.

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...

Note! Espoo.fi website's old APIs was removed from use starting 1.9.2021. New API will be documented in 2022. Meanwhile, events in Espoo can be queried through Linked Events Espoo API. We are sorry for the...

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 Helsinki in a structured form in the City...

The numerot.hel.fi service provides an Internet interface for browsing and searching for telephone numbers of the City of Helsinki’s departments and municipal enterprises. The service is based on information extracted...