Merge is a Unified API platform that streamlines the integration of various services, such as human resource information systems (HRIS) and applicant tracking systems (ATS), into a single hub, which is particularly beneficial for software-as-a-service (SaaS) companies seeking to offer multiple integrations to their customers. The platform supports a range of existing integrations, including those with popular HRIS providers like BambooHR, Workday, and others, enabling automated processes such as user provisioning and deprovisioning. The text provides a comprehensive guide for setting up a Python application to automatically handle employee termination notifications from BambooHR using Merge's Unified API and webhooks. It details the technical steps required to establish a connection between the two platforms, synchronize data, and use webhook notifications to trigger specific application behaviors. This setup allows for efficient management of employee data changes, helping businesses focus on their core logic without dealing with complex integration code.