This updated version of the EMSA’s Maritime Digital Services Catalogue is available to all users. The catalogue is a comprehensive, up-to-date source of information on the Maritime Digital Services provided by the Agency. Authorities performing various functions in the maritime domain can now easily find all information needed. For instance how to access enhanced maritime picture via an API, when developing or upgrading national maritime safety or traffic monitoring systems and services. The document provides harmonized descriptions of the digital services aggregated into classes, and makes references to the available interfaces. Users may learn about the applicable legal basis, agreements, key-performance indicators, technologies as well as the interfaces, features and functions supporting various communities and projects.