to create a single openapi yml file use speccy
npm install -g speccy@0.8.7
speccy resolve skypath.yml -o spec-output.yaml
then you can import it to Postman collection via postman import button
to create a single openapi yml file use speccy
npm install -g speccy@0.8.7
speccy resolve skypath.yml -o spec-output.yaml
then you can import it to Postman collection via postman import button