Optional identifierAn SPDX license expression for the API. The
identifier field is mutually exclusive of the url field.
The license name used for the API.
Optional urlA URL to the license used for the API. This MUST be in the form of a URL.
The url field is mutually exclusive of the identifier field.
License information for the exposed API.
See
https://spec.openapis.org/oas/latest.html#license-object