curl --request GET \
  --url https://app.autoposting.ai/api-proxy/usage/tokens \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "period": "30d",
    "total": 482000,
    "breakdown": {
      "agents": 210000,
      "ideaGeneration": 95000,
      "carouselGeneration": 80000,
      "postRewrite": 52000,
      "captionGeneration": 30000,
      "other": 15000
    },
    "dailyUsage": [
      {
        "date": "2024-01-10",
        "tokens": 18000
      },
      {
        "date": "2024-01-09",
        "tokens": 14000
      }
    ]
  }
}