curl --request GET \
  --url https://api.example.com/api/analytics/spend/daily

{
  "success": true,
  "data": {
    "period": {},
    "granularity": "<string>",
    "daily": [
      {
        "date": "<string>",
        "credits_used": 123,
        "credits_added": 123
      }
    ]
  }
}