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

• HSL Beacon API

  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...

  • JSON

• HSL OpenMaaS sales API

  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...

  • JSON

• 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

• Linked Events Espoo API

  You can use Espoo’s Linked Events API to retrieve event data of several City of Espoo departments and institutions and the Helmet library service in a uniform format. The...

  • JSON

• Resource reservation system for City of Helsinki

  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

• Helsinki region statistics API

  The regional statistics interface enables the computerised retrieval of statistical data in Greater Helsinki’s Aluesarjat (in Finnish) statistical database in different file...

  • 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

• Espoo.fi-web service open API

  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...

  • 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

• Helsinki metropolitan area Service Map APIs

  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...

  • JSON
  • WFS

• 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