A Node.js client is an application, module or microservice written using the popular Node.js application framework. Node.js is an asynchronous event-driven JavaScript runtime environment that is designed to build scalable network applications. It is used for both server and desktop applications. For example, Node.js can be beneficial for online chat applications because it is capable of handling high traffic volumes in distributed environments.

Aerospike provides a Node.js client API so that Node.js developers can use their standard development tools and techniques to access real-time data residing in the Aerospike Real-time Data Platform.