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35 datasets found
Resource reservation system for City of Espoo
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...
JSON
School history database of Helsinki
NOTE (1/2026): Koulurekisteri (the school register) service has been moved to a new website at
https://historia.hel.fi/fi/koulurekisteri
. Therefore, the interface is no...
JSON
Collections of Helsinki City Museum
Helsinki City Museum has made more than 48,000 of its materials available under open licence through the Finna service, which contains material-specific descriptions. In Finna,...
JPEG
JSON
Historical statistics of Helsinki
Helsingin historialliset tilastot on kokoelma Helsingin kaupungin historiaa kuvaavia tilastotietoja väestöstä, asuntokunnista, asumisesta, työelämästä ja koulutuksesta....
PXWEB
JSON
Helsinki Zoo visitor count
The data includes the daily number of visitors to Korkeasaari Zoo since the beginning of 2010. The data contains a breakdown of tickets for adults and children, family tickets,...
JSON
XLSX
Linked Events Helsinki API
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...
JSON
Helsinki region statistics API
The regional statistics interface enables the computerised retrieval of statistical data in
Greater Helsinki’s Aluesarjat
...
JSON
PXWEB
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
Metadata of HRI datasets
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...
JSON
Traffic data from Helsinki
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...
JSON
CSV
WMS
WFS
Helsinki metropolitan area Service Map APIs
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...
JSON
WFS
Helsinki environmental statistics
Helsinki Environmental Statistics is an online statistics service collecting the essential variables describing the state of the environment and burdens on the environment in...
PXWEB
JSON
Helsinki Channel open data
Helsinki Channel’s (
helsinkikanava.fi
) videos and metadata are available through an open programming interface. The Helsinki...
JSON
Helmet-libraries’ catalog
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...
JSON
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You can also access this registry using the
API
(see
API docs
).