curl --request GET \
  --url https://api.example.com/api/v1/marketplace/kubernetes/apps/{appName}

{
  "app": {
    "summary": {
      "base": {
        "app_name": "<string>",
        "display_name": "<string>",
        "description": "<string>",
        "icon_url": "<string>",
        "documentation_url": "<string>"
      },
      "latest_app_version": "<string>"
    },
    "versions": [
      {
        "version": "<string>",
        "schema": {},
        "is_latest": true
      }
    ]
  }
}