The Button NodeJS SDK by Button integrates a monetization platform used to improve user loyalty. Developers can add cross-application actions by using buttons. An 11% increase in time spent in a third-party application is the average offered by the Button platform. The following runtimes are supported: Node 0.10, 0.11, 0.12, 4, 5 and 6. The current version is 2.3.0.