curl --request GET \
  --url https://api.nugen.in/api/v3/agents/usage/ \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "totalUsage": 0,
    "totalTokens": 0,
    "averageTokensPerRequest": 0,
    "mostUsedModel": "",
    "usageByModel": {}
  }
}