Open APIs

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• City of Helsinki Master Plan 2016

  The city plan is a general plan of the organisation of land use and traffic. Helsinki’s new city plan (2016) covers the entire city, with the exception of Östersundom. The city...

  • WMS
  • WFS

• 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

• 3D model of Espoo

  The 3D urban data model of Espoo covers all types of features included and described in the CityGML standard, with the exception of engineering structures, such as bridges and...

  • WFS

• Parking spot usage API of Helsinki

  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...

  • JSON

• Number of cyclists in Helsinki Region

  Statistics on the number of cyclists in Helsinki Region in 2013-2018. Data is collected by Helsinki region's municipalities and harmonized by Helsinki Region Transport (HSL)....

  • SHP
  • KML
  • CSV
  • GEOJSON
  • GEOSERVICE

• Helsinki Region Transport’s (HSL) city bicycle stations

  Helsinki Region Transport’s (HSL) city bicycle stations in the cities of Helsinki and Espoo. Data attributes and preview in HSL's website.

  • SHP
  • KML
  • CSV
  • GEOJSON
  • GEOSERVICE

• Street Names of the City of Helsinki

  The dataset includes the official place names of Helsinki, i.e. the names of streets, parks and other public areas confirmed in the detailed plans. The names are in Finnish and...

  • WFS

• Helsinki and Tallinn nature trails

  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...

  • JSON

• Centreline network of traffic routes in Vantaa

  Centrelines of the Vantaa roadways and driving lanes as a hybrid model. The dataset covers the entire Vantaa to the airport gates, as well as a few routes going through...

  • WFS
  • WMS
  • SHP

• Lot reserve in the Helsinki Metropolitan Area per block (SeutuRAMAVA)

  The dataset contains information on valid city plans in the Helsinki metropolitan area (Espoo, Helsinki, Kauniainen, Vantaa) in floor square metres, summed up at the block level...

  • WFS
  • WMS
  • SHP
  • TAB
  • KML
  • XLSX

• Orthophotos of the Helsinki metropolitan area

  Aerial orthoimages of the Helsinki metropolitan area from 2015 to 2023. The latest orthoimages of the Helsinki metropolitan area were acquired in June 2023. The ground sampling...

  • WMTS
  • WMS

• Gross floor area of housing in new city plans for the Helsinki region 2016–2019

  City plans that were approved and came into force in 2016–2019 are a geographic dataset containing areal geometries. The data contains the delimitations of those city plans that...

  • WFS
  • SHP
  • TAB

• Housing production in the Helsinki region 2016-2019

  Started and completed apartments in 2016-2019 is dataset with point-shaped spatial information covering 14 municipalities in the Helsinki region (Espoo, Helsinki, Kauniainen,...

  • WFS
  • SHP
  • TAB

• Amount of solar radiant energy on the roofs in the Helsinki Metropolitan Area

  Map data that shows the amount of solar radiant energy calculated on the roofs of buildings in the Helsinki metropolitan area. The solar radiant energy has been modelled on...

  • WMS

• Area where the annual limit value for nitrogen dioxide has been exceeded in the Helsinki metropolitan area

  The dataset shows the areas where the annual limit value for nitrogen dioxide (40 µg/m3) has exceeded or has been in danger of exceeding. In 2022 it was estimated that the...

  • WFS
  • WMS
  • SHP

• City of Helsinki component master plans

  A component master plan supplements or amends the master plan for the entire municipality. The master plan is a general plan of the organisation of land use and traffic that...

  • WMS
  • WFS

• City of Helsinki Component Master plans Index

  The Helsinki component master plans index is a combined map of the component master plans valid in the city. The purpose of the master plan is to provide general guidance on...

  • WMS
  • WFS

• City of Helsinki Master Plan 2002

  The Master Plan 2002 is a general plan of the City of Helsinki for the organisation of land use and traffic that covers the whole city. A new master plan is drawn up in Helsinki...

  • WMS

• Traffic noise zones in Helsinki

  The City of Helsinki's noise report, which complies with the EU's Environmental Noise Directive (END), examines the environmental noise caused by road and rail traffic in the...

  • WMS
  • WFS

• Pedestrian slip warnings in Helsinki

  The open REST interface provides information in JSON format on slip warnings given to pedestrians. In addition to Helsinki, the interface also provides information on warnings...

  • JSON