curl --request GET \
  --url https://app.prontohq.com/api/v2/lists \
  --header 'X-API-KEY: <api-key>'

[
  {
    "lists": [
      {
        "name": "Tech Companies 2024",
        "id": "8e1dcba0-f0bb-4071-99fc-f18ba6559ccc",
        "linkedin_list_id": 123456789,
        "created_at": "2024-01-01T00:00:00Z",
        "updated_at": "2024-01-02T00:00:00Z",
        "status": "completed"
      }
    ]
  }
]