OAS 3 This page applies to OpenAPI 3 – the latest version of the OpenAPI Specification.

Data Models (Schemas)

OpenAPI 3.0 data types are based on an extended subset JSON Schema Specification Wright Draft 00 (aka Draft 5). The data types are described using a Schema object.

To learn how to model various data types, see the following topics:

• Data Types
• Enums
• Dictionaries, Hashmaps, Associative Arrays
• oneOf, anyOf, allOf, not
• Inheritance and Polymorphism
• Representing XML
• Supported JSON Schema Keywords