API Specification

All Keystone API releases include an OpenAPI 3.0 specification in both YAML and JSON formats. These documents provide a complete, version-specific description of the API, including all available endpoints, supported parameters, request body schemas, response payloads, and authentication flows.

A rendered version of the latest OpenAPI specification is available in the online documentation. OpenAPI documents for specific API versions can be fetched from the API itself at the following endpoints.

Endpoint	Description
/openapi/yaml/	OpenAPI 3.0 specification in YAML format
/openapi/json/	OpenAPI 3.0 specification in JSON format