curl --request GET \
  --url https://your-domain.com/api/client/v1/deployments/configurations/{configurationId}/versions/diff \
  --header 'Authorization: Bearer <token>'

{
  "ok": true,
  "from": {
    "id": "<string>",
    "configuration_id": "<string>",
    "version_number": 123,
    "yaml": "<string>",
    "spec_hash": "<string>",
    "resource_count": 123,
    "pushed_by": "<string>",
    "pushed_at": 123,
    "push_message": "<string>",
    "base_version_id": "<string>"
  },
  "to": {
    "id": "<string>",
    "configuration_id": "<string>",
    "version_number": 123,
    "yaml": "<string>",
    "spec_hash": "<string>",
    "resource_count": 123,
    "pushed_by": "<string>",
    "pushed_at": 123,
    "push_message": "<string>",
    "base_version_id": "<string>"
  },
  "diff": {
    "unified": "<string>",
    "truncated": true,
    "stats": {
      "added": 123,
      "removed": 123
    }
  },
  "has_changes": true
}