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

• Buildings in the Helsinki metropolitan area

  Buildings in the Helsinki metropolitan area has been published on the basis of data from the regional basic register maintained by HSY for the municipalities Helsinki, Espoo,...

  • WMS
  • WFS

• Water supply service area of Helsinki Region Environmental Services (HSY)

  In its area of operation, HSY provides for the distribution and sewage drainage of domestic water in accordance with the needs of community development. Within the water supply...

  • WFS
  • WMS
  • SHP
  • TAB

• ARA Lot price map

  HSY prepares an annual presentation on the maximum prices of lots applied in the Helsinki metropolitan area in housing production supported by the Housing Finance and...

  • WFS
  • WMS
  • SHP
  • TAB

• HSY’s stormwater sewerage area

  The data contains information on the extent of HSY’s stormwater sewerage area at property level. The stormwater sewerage area is based on Section 17 a of the Water Services Act....

  • WFS
  • WMS
  • SHP
  • TAB

• 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

• 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

• Housing production in the Helsinki region 2012-2015

  The material contains location-specific data collected on a calendar year basis on housing production in the Helsinki region in 2012-2015. The data covers the 14 municipalities...

  • WFS
  • SHP
  • TAB
  • CSV

• Floor area of housing in new city plans for the Helsinki region 2012–2015

  The material contains approved, legally valid and proposed city plans in the Helsinki region in 2012–2015 in geographic dataset. The Helsinki Region Environmental Services...

  • SHP
  • TAB
  • CSV
  • WFS
  • WMS

• Green roofs in the Helsinki metropolitan area

  The data includes current built green roofs, spontaneously created green roofs, and potential green roofs in the Helsinki metropolitan area. The material was produced by first...

  • WFS
  • WMS
  • SHP

• Suitable areas for solar panels in Helsinki metropolitan area

  Suitable areas for solar panels in the Helsinki metropolitan area. The data indicates potential locations for solar panels. The data presents suitable areas for solar panels. A...

  • SHP

• Photovoltaic potential in the Helsinki metropolitan area

  The data contains the photovoltaic production potential calculated per building, provided that the entire area suitable for solar panels is covered with solar panels. When...

  • WFS
  • WMS
  • SHP

• 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 Address Catalogue

  The regional address catalogue contains information about the addresses and place names of properties and plan units located in the area (so-called zero address). The...

  • WMS
  • WFS

• Building information grid of the Helsinki metropolitan area

  The building information grid contains grid-based data on the number, floor area and purpose of use of buildings as well as area density in the Helsinki metropolitan area. Data...

  • WFS
  • WMS
  • SHP
  • TAB
  • KML

• Lot reserve in the Helsinki Metropolitan Area (SeutuRAMAVA)

  SeutuRAMAVA contains data on lot reserve based on the reserve of legally valid city plans in the Helsinki metropolitan area. The data has been calculated for the data by...

  • WFS
  • SHP
  • TAB
  • KML
  • XLSX
  • CSV

• 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