Datasets
The detailed plan map of Helsinki is a combined map of the legally valid detailed plans in the area of Helsinki. The dataset includes both detailed plans and underground detailed plans. The detailed plan map contains...
The Helsinki districts dataset includes the boundary lines of the city districts, as well as the names and identifiers of the areas. The initial data for the maintenance of the city district dataset is the base map...
City of Helsinki's traffic routes (centreline data) contains digitised centrelines of pedestrian, cycling and vehicular traffic routes in Helsinki. They are classified according to the design guidelines for street and...
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...
The regional address catalogue contains information about the addresses and place names of properties and plan units located in the area (so-called zero address). The information in the regional address catalogue is...
The locations of crossings with traffic lights in Helsinki, Espoo, Vantaa and Kauniainen. Data regarding Kauniainen is available as a file. Other cities' data is available through APIs: Data of Espoo:...
NOTE: The API is currently not in use due to renewal of the information system. The renewed API is scheduled to be published in 2024. An API to the City of Helsinki digital feedback system. The API allows requesting...
The database of addresses of Helsinki maintains information about the addresses and place names of properties and plan units located in the area of Helsinki. The street names and other names are in both Finnish and...
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 production control system, which produces GPS location...
The dataset includes the metadata of all open data found in the Helsinki Region Infoshare (HRI) online service for open data. The metadata can be read through the CKAN data catalogue interface. Through the interface,...
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...
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 inhabitants of the municipality find current...
The Journey Planner) APIs offer data regarding routing, geocoding, map data and vehicle locations through several APIs. Routing API: Itinerary- and timetable-queries via either a GraphQL-API or a REST interface...
Helsinki Channel’s (helsinkikanava.fi) videos and metadata are available through an open programming interface. The Helsinki Channel provides webcasts and publishes recordings of meetings of the Helsinki City...
Data from the HelMet libraries’ catalogue in a machine-readable format. The data source contains the descriptions of approximately 680,000 books, records, sheet music publications and other materials found in the...