curl --request POST \
  --url https://api.example.com/api/v1/campaign/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "workspace_id": 123
}
'

{
  "uid": "<string>",
  "created_on": "2023-11-07T05:31:56Z",
  "workspace_id": 123,
  "settings": {
    "name": "<string>",
    "sending_domains": [
      "<string>"
    ],
    "reply_to_address": "<string>",
    "daily_email_limit": 1073741823,
    "skip_days": "<unknown>",
    "single_subject": true,
    "scheduling_strategy": "testing",
    "from_time": "<string>",
    "to_time": "<string>",
    "time_zone": "<string>",
    "add_unsub_link": true,
    "unsub_link_type": "<string>",
    "custom_unsub_text": "<string>",
    "click_tracking_enabled": true,
    "open_tracking_enabled": true,
    "skip_dangerous_emails": true,
    "skip_disposable_emails": true,
    "skip_catchall_emails": true,
    "skip_full_inbox_emails": true,
    "skip_invalid_emails": true
  },
  "selected_contact_lists": [
    "<string>"
  ],
  "scheduled_start_datetime": "2023-11-07T05:31:56Z",
  "status": "creating",
  "bounces": 1073741823,
  "campaign_paused": true,
  "campaign_paused_on": "2023-11-07T05:31:56Z",
  "is_generating_schedules": true,
  "is_deleting_schedules": true,
  "archived": true,
  "is_campaign_bounce_blocked": true,
  "started_running_at": "2023-11-07T05:31:56Z",
  "completed_at": "2023-11-07T05:31:56Z",
  "cancelled_at": "2023-11-07T05:31:56Z"
}