WFS API

From the dataset abstract

The weekly updated accurate water areas in color. Together with wide streams and ditches. Pier structures are visible. The recommended scale is 1:1000-1:10000.

Coordinate systems:

• Maintained in ETRS-GK25 (EPSG:3879)

API addresses:

• WMS: https://kartat.espoo.fi/teklaogcweb/wms.ashx
• WFS: https://kartat.espoo.fi/teklaogcweb/wfs.ashx
• WFS: For QGIS 2.18 - 3.x versions: https://kartat.espoo.fi/teklaogcweb/wfs.ashx?OUTPUTFORMAT=GML2
• API description (in Finnish): https://kartat.espoo.fi/Paikkatieto/files/WMS-ja_WFS-rajapintakuvaukset.pdf

Layers:

WMS:

• Vesistot (Areas of inland waters)

WFS:

• GIS:Vesialueet (Territorial waters)

GIS:Vesialueet: attributes, data types and translation:

• ClassId (int): ID
• Aluetyyppi (string): Type of area

Source: Espoon vesistöt