This podcast details Oracle CPQ's REST API, explaining how to interact with it using HTTP requests. It covers essential setup steps, including authentication using username/password or OAuth, and constructing properly formatted URLs incorporating version numbers and resource paths. The podcast also describes HTTP status codes indicating success or failure and explains key terminology like endpoints, payloads, and authentication methods, along with the crucial concept of CORS for secure cross-origin communication. Finally, it provides definitions for common REST API terms.