Application programming interface (API) is a set of rules and specifications, embedded in source code, which software programs can use to communicate with each other.

In the context of Europeana, Europeana API are application programming interfaces for the purpose of searching and retrieving the metadata offered by Europeana on Europeana.eu. The Europeana API allows to build applications, websites and mashups that include a customised view of Europeana content.