curl --request GET \
  --url https://api.precallai.com/api/v1/campaign/list \
  --header 'x-api-key: <api-key>'

[
  {
    "campaigns_name": "<string>",
    "assistant_name": "<string>",
    "contact_name": "<string>",
    "dialer_name": "<string>",
    "dialer_type": "<string>",
    "phone_number": "<string>",
    "started_at": "<string>",
    "is_started": true,
    "is_automation": true
  }
]