This technical diagram outlines the authentication and authorization flow of an API system, highlighting key components such as 'OT-API', 'SDAC', 'RMD_OVERHAUL', 'UAP', 'InSight', and 'BlackBox'. The flowchart details the sequential steps and decision points that occur during the process, represented by labeled arrows and numerical annotations. Such a diagram is vital for understanding and documenting the secure access protocols within a system, ensuring that only authorized entities can interact with the API.