curl --request GET \
  --url https://api.veryfront.com/account/usage/series \
  --header 'Authorization: Bearer <token>'

{
  "metric": "credits",
  "label": "<string>",
  "unit": "<string>",
  "summary": {
    "value": 123
  },
  "timeframe": {
    "from": "<string>",
    "to": "<string>",
    "granularity": "day",
    "timezone": "<string>",
    "bucket_count": 123
  },
  "series": [
    {
      "bucket_start": "<string>",
      "value": 123,
      "projects": [
        {
          "project_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "project_name": "<string>",
          "project_slug": "<string>",
          "value": 123
        }
      ]
    }
  ],
  "projects": [
    {
      "project_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "project_name": "<string>",
      "project_slug": "<string>",
      "value": 123
    }
  ]
}