Open Data Service

Access open data sources maintained by the National Library of Finland

Our data catalog showcases the open data sets and APIs of the National Library.

Data
        sets

Data sets

Open data sets available for reuse.
APIs

APIs

Interfaces that provide access to our data.

Linked Bibliographic Data

The national bibliography Fennica is available as RDF Linked Open Data.

Browse our Linked Data

Collections

Concept Schemes

Finto

Finto vocabulary service

The Finnish thesaurus and ontology service provides access to controlled vocabularies such as thesauri, classifications and ontologies as Linked Data.