Open APIs

Löydä kaikki pääkaupunkiseudun avoimet rajapinnat täältä!

• Combined Detailed Plan Map of The City of Helsinki

  The detailed plan map of Helsinki is a combined map of the legally valid detailed plans in the area of Helsinki. The dataset includes both detailed plans and underground...

  • WMS
  • TIFF

• Register of public areas in the City of Helsinki

  The register of public areas (YLRE) is a system of the Helsinki Urban Environment Division that contains information about the city’s street and green areas. The dataset is...

  • WMS
  • WFS

• Land usage permission system for public areas in the City of Helsinki

  The City of Helsinki Urban Environment Division manages the city’s public areas and gives the necessary landowner’s consent for the land use of public areas (e.g. construction,...

  • WMS
  • WFS

• 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

• 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

• Database of addresses of Helsinki

  The database of addresses of Helsinki maintains information about the addresses and place names of properties and plan units located in the area of Helsinki. The street names...

  • WMS
  • WFS

• 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

• 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

• 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