Meet OAuth2MultiClientIntegrator, an efficient package designed to streamline access and refresh token acquisition for multiple clients interacting with authorization servers using the OAuth 2.0 authorization code flow. This series delves into the package's capabilities. Starting with an overview of the OAuth 2.0 authorization code flow, we highlight OAuth2MultiClientIntegrator's features by demonstrating its two primary use cases in the next sections. Join us as we explore how this package simplifies and adapts OAuth 2.0 integration for diverse client needs.