Datasets
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 linked to the City of Helsinki’s office...
The regional statistics interface enables the computerised retrieval of statistical data in Greater Helsinki’s Aluesarjat (in Finnish) statistical database in different file formats, such as XLSX, CSV, JSON 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...
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...
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 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,...
Traffic data from Helsinki contains data about motor traffic: traffic volume, speed, amounts of different types of vehicles). The data consists of three different datasets in variable formats (CSV, gis-APIs: WFS and...
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...
Helsinki Environmental Statistics is an online statistics service collecting the essential variables describing the state of the environment and burdens on the environment in Helsinki. As a rule, the data of the...
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...