This repository contains a Java implementation aligned with the Terminal Calypso Card specifications proposed by the Calypso Networks Association. It defines the interfaces needed to select and operate transactions with Calypso cards.
The full documentation, including the user guide, download information and contribution guide, is available on the Keypop website keypop.org.
API Javadoc is available here.
API documentation and class diagram is available here.
The code is built with Gradle and is compliant with Java 1.8 in order to address a wide range of applications.