curl --request GET \
  --url https://wmc.wiremockapi.cloud/v1/mock-apis/{mockApiId}/open-api \
  --header 'Authorization: <api-key>'

{
  "openApi": {
    "doc": "openapi: 3.1.0\ninfo:\n  title: Customer Contacts Management API\n  description: API for managing customer contacts including personal and professional details\n  version: 1.0.0\nservers:\n- url: https://dev-openapi-testing.wiremockapi.cloud"
  }
}