Open APIs

Löydä kaikki pääkaupunkiseudun avoimet rajapinnat täältä!

Address API of Uusimaa

You can use the address interface of Uusimaa to search for official addresses and their coordinates for the entire Uusimaa region. The interface provides the coordinates, postal...
- JSON
- XML
Rajapinta pääkaupunkiseudun kansalais- ja työväenopistojen kurssitietoihin

Ilmonet.fi is a joint service of the adult education centres in the Helsinki Metropolitan Area (Helsinki Adult Education Centre, Helsingfors Arbis, Espoo Adult Education Centre,...
- JSON
- XML
News on Helsinki’s hel.fi website

News on the City of Helsinki’s hel.fi website are available as open data via a RSS feed. The Helsinki City Executive Office’s...
- XML
The Issue Reporting API of the City of Espoo

You can use the feedback API to retrieve feedback data of the City of Espoo in a uniform format. You can search the API based on, for example, the date, location and keywords....
- XML
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
The Issue Reporting API of the City of Helsinki

Interface (API) to the City of Helsinki feedback system. Feedback from all City departments is published through the API, and can be used for example by businesses and other...
- XML
- JSON
Stara Snowplow API

Note (10/2024): Due to updates, the API is currently not operational. In 2012, the City of Helsinki’s construction service Stara introduced an electronic...
- XML
Telephone numbers for City of Helsinki departments

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...
- XML
HSL Journey Planner API
The Journey Planner) APIs offer data regarding routing, geocoding, map data and vehicle locations through several APIs.
- Routing API:...
- XML