curl --request GET \
  --url https://api.engagefabric.com/api/v1/analytics/overview

{
  "period": {
    "start": "<string>",
    "end": "<string>",
    "days": 123
  },
  "overview": {
    "totalPlayers": 123,
    "activePlayers": 123,
    "newPlayers": 123,
    "churnedPlayers": 123,
    "averageLevel": 123,
    "totalXpGranted": 123,
    "questsCompleted": 123,
    "eventsProcessed": 123
  },
  "changes": {
    "totalPlayers": {
      "value": 123,
      "percentage": 123
    },
    "activePlayers": {
      "value": 123,
      "percentage": 123
    },
    "newPlayers": {
      "value": 123,
      "percentage": 123
    },
    "questsCompleted": {
      "value": 123,
      "percentage": 123
    },
    "eventsProcessed": {
      "value": 123,
      "percentage": 123
    }
  },
  "trends": {
    "labels": [
      "<string>"
    ],
    "players": [
      123
    ],
    "xp": [
      123
    ],
    "quests": [
      123
    ],
    "events": [
      123
    ]
  }
}