During February 2025, Fenster developed HTTP Keep-Alive support for the googleapis/gax-nodejs repository, targeting Node.js environments prior to version 19 where keep-alive is not enabled by default. By configuring HTTP and HTTPS agents to reuse connections, Fenster improved latency and throughput for high-traffic client applications. The implementation, written in TypeScript and JavaScript, focused on network programming and API integration, addressing issue #1534 and validating the fix through performance testing. This work reduced connection overhead and enhanced resource utilization, resulting in faster API access and more stable client connections for users of gax-nodejs in legacy Node.js environments.