Статистика рассылки по доменам

Example response

{
  "ok": true,
  "data": {
    "items": [
      {
        "groupName": "Gmail",
        "domain": "gmail.com",
        "total": 1000,
        "open": {
          "count": 900,
          "rate": 90
        },
        "click": {
          "count": 900,
          "rate": 90
        },
        "error": {
          "count": 900,
          "rate": 90
        },
        "unsubscribe": {
          "count": 900,
          "rate": 90
        }
      }
    ]
  },
  "meta": {
    "requestId": "550e8400-e29b-41d4-a716-446655440000",
    "timestamp": "2026-03-05T12:00:00.000Z",
    "pagination": {
      "page": 1,
      "limit": 20,
      "totalItems": 150,
      "totalPages": 8
    }
  }
}