curl --request GET \
  --url https://api.example.com/api/ai/overview \
  --header 'Authorization: Bearer <token>'

{
  "key": {
    "label": "<string>",
    "limit": 123,
    "limitRemaining": 123,
    "limitReset": "<string>",
    "usage": 123,
    "usageDaily": 123,
    "usageWeekly": 123,
    "usageMonthly": 123,
    "isFreeTier": true,
    "observabilityAvailable": true,
    "observabilityError": "<string>"
  },
  "charts": {
    "spend": [
      {
        "label": "<string>",
        "value": 123
      }
    ],
    "requests": [
      {
        "label": "<string>",
        "value": 123
      }
    ],
    "tokens": [
      {
        "label": "<string>",
        "value": 123
      }
    ]
  }
}