Open APIs Löydä kaikki pääkaupunkiseudun avoimet rajapinnat täältä! Submit Last Created Popular Relevance Name Ascending Name Descending Last Modified Go 2 datasets found 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