Salesforce's AI-powered Agentforce is revolutionizing how businesses interact with their customers and internal processes. While Agentforce comes equipped with a suite of standard actions, the true power lies in its extensibility. By leveraging Apex REST API, developers can create Custom Agent Actions, enabling agents to execute highly specific business logic tailored to unique organizational needs. This topic explores the architecture, implementation, and benefits of using Apex REST for custom agent actions in Salesforce.