curl --request GET \
  --url https://api.app.fleetit.com/v2/citations/columns/ \
  --header 'Authorization: Bearer <token>'

{
  "columns": [
    "id",
    "issuing_authority",
    "notice_number",
    "violation_number",
    "ticket_type",
    "received_date",
    "ticket_date",
    "ticket_time",
    "vehicle",
    "description",
    "issue_date",
    "fine_amount",
    "penalty_amount",
    "billing_status",
    "pdf"
  ]
}