Datasets
The Sinetti archive information system operated by the City of Helsinki Archives provides collection data from archived documents of the City of Helsinki. The document collections mostly comprise permanently retained,...
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 code and municipality name for the...
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, Esbo Arbis and Vantaa Adult Education...
HSL Beacon API can be used to fetch a list of Bluetooth beacons that have been installed to stops and vehicles in HSL area. Beacon data can be combined with data from journey planner and realtime APIs for example to...
HSL OpenMaaS is an open-for-all ticket sales interface for acquiring HSL mobile tickets. The goal is to have all HSL’s mobile ticket products available via this API. The OpenMaaS API is being continuously developed...
A real-time REST interface that provides information on the parking situation in Helsinki. The interface provides the number of parking spaces currently in operation in the area concerned. The interface gathers...
Citynature.eu offers an open REST API interface that can be used to utilise the information about nature trails from both Helsinki and Tallinn available on the site. The contents of the website are not available in...
An API for making resource reservations, such as booking a practice room or a meeting space. API location: https://api.hel.fi/respa/v1/ Reservation booking system or Respa is a prototype service that aims to provide...
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...
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 actors. Currently (2025), only less than...
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 Service Map developed by the City of Helsinki shows the locations and services offered by the cities of the Helsinki Metropolitan Area, as well as Vantaa and Kerava and Western Uusimaa Wellbeing areas. The map...
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...