curl --request POST \
  --url 'https://api.flashcat.cloud/channel/list?app_key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "p": 1,
  "limit": 20,
  "orderby": "created_at",
  "asc": false
}
'

{
  "request_id": "01HK8XQE3Z7JM2NTFQ5YJ8P9R4",
  "data": {
    "total": 42,
    "has_next_page": true,
    "items": [
      {
        "channel_id": 1001,
        "channel_name": "Production Alerts",
        "status": "enabled"
      }
    ]
  }
}