This action validates whether the OpenAPI/Swagger schema file is valid or not

Required Path of the OpenAPI schema file. Default is "openapi.yaml" at root. Path starts root of github repo. For example, if your schema is in schemas folder.

root
├── schemas
│   └── openapi.yaml
├── package.json
└── package-lock.json

You should use filepath: './schemas/openapi.yaml'

- name: 'validate openapi schema'
  uses: thiyagu06/openapi-validator-action@v1
  with:
    filepath: 'openapi.yaml'

You can specify version with @v<release-version>. It follows semantic release. For latest release, please check releases page.