curl --request GET \
  --url 'https://api.stateset.com/api/v1/gl/periods' \
  --header "Authorization: Bearer $STATESET_API_KEY"

{
  "periods": [
    {
      "closed_at": "2026-08-31T14:22:05Z",
      "closed_by": "string",
      "created_at": "2026-08-31T14:22:05Z",
      "end_date": "2026-08-31T14:22:05Z",
      "fiscal_year": 2026,
      "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "locked_at": "2026-08-31T14:22:05Z",
      "locked_by": "string",
      "period_name": "string",
      "period_number": 1001,
      "start_date": "2026-08-31T14:22:05Z",
      "status": "pending"
    }
  ],
  "total": 102
}