Article Raef Youssef · Jul 15 6m read Composing an OpenAPI 2.0 specification. REST API (Representational State Transfer Application Programming Interface) is a standardized way for web applications to communicate with each other using HTTP methods like GET, POST, PUT, DELETE, etc. It's designed around resources, which can be anything from a user to a file. #API #InterSystems API Manager (IAM) #REST API #InterSystems IRIS 4 0 0 67