Definition: API ABB is an Application Interface that enables a set of rules and specifications that allow different software components or systems to communicate and exchange data Source: EPDB Source reference: http://api.epdb.eu/#:~:text=The%20API%20can%20help%20you%20conduct%20research%2C%20create,access%20to%20meta%20data%20on%20European%20Union%20legislation. Example: The following implementation is an example on how this specific Architecture Building Block (ABB) can be instantiated as a Solution Building Block (SBB): RapidAPI - RapidAPI is a collection of predefined APIs that are free to test, specifically updated for 2021. https://rapidapi.com/collection/list-of-free-apis eira:iopDimension: Structural IoP LOST view: TVA-Functional Architecture Principles Viewpoint: Key Interoperability Enablers viewpoint eira:iopSaliency: API Application Interface ABB is a key interoperability enabler (*) for behavioural interoperability by enabling rules and specifications for data exchange between systems and digital public services components. Identifier: http://data.europa.eu/dr8/APIApplicationInterface ABB name: eira:APIApplicationInterface EIRA concept: eira:ArchitectureBuildingBlock Last modification: 2022-01-18 dct:identifier: http://data.europa.eu/dr8/APIApplicationInterface