curl --request POST \
  --url https://api.verbose.cx/v1/campaigns \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "June promo",
  "message": "Hi {{first_name}}, 20% off. Reply STOP to opt out.",
  "list_id": "8f3c",
  "number_id": "1a2b",
  "follow_ups": [
    {
      "message": "Last day!",
      "delay_minutes": 1440
    }
  ]
}
'