OpenAPI Initiative

Standard, language-agnostic interface description for HTTP APIs enabling discovery without source code access.

Overlay Specification: OpenAPI Specification v3.2.0 OpenAPI Specification v3.2.0 Version 3.2.0 19 September 2025 More details about this document This version: https://spec.openapis.org/oas/v3.2.0.html Latest published version: https://spec.openapis.org/oas/latest.html Latest editor's draft: https://github.com/OAI/OpenAPI-Specification/ Editors: Henry Andrews Jeremy Whitlock Karen Etheridge Lorna Mitchell Marsh Gardiner Miguel Quintero Mike Kistler Ralf Handl Vincent Biret Former editors: Ron Ra

Standard, language-agnostic interface description for HTTP APIs enabling discovery and understanding without source code access.

Standard, language-agnostic interface description for HTTP APIs (fka Swagger RESTful API Documentation Specification).

Format Registry: OpenAPI Initiative Publications This site contains the authoritative HTML renderings of the OpenAPI Initiative’s specifications and extension registries .

Extension Field Registry: OpenAPI Initiative Publications This site contains the authoritative HTML renderings of the OpenAPI Initiative’s specifications and extension registries .

Tag Kind Registry: OpenAPI Initiative Publications This site contains the authoritative HTML renderings of the OpenAPI Initiative’s specifications and extension registries .

Arazzo Specification: OpenAPI Specification v3.2.0 OpenAPI Specification v3.2.0 Version 3.2.0 19 September 2025 More details about this document This version: https://spec.openapis.org/oas/v3.2.0.html Latest published version: https://spec.openapis.org/oas/latest.html Latest editor's draft: https://github.com/OAI/OpenAPI-Specification/ Editors: Henry Andrews Jeremy Whitlock Karen Etheridge Lorna Mitchell Marsh Gardiner Miguel Quintero Mike Kistler Ralf Handl Vincent Biret Former editors: Ron Rat

Alternative Schema Type Registry: OpenAPI Initiative Publications This site contains the authoritative HTML renderings of the OpenAPI Initiative’s specifications and extension registries .