curl -X DELETE 'https://app.memorylake.cn/openapi/memorylake/admin/v1/billing/credit-balance/alert' \
  -H 'Authorization: Bearer sk_xxxxxx'

{
  "success": true,
  "message": "Operation completed successfully",
  "data": {
    "delivery_enabled": true,
    "enabled": true,
    "is_default": true,
    "notification_channel": {
      "recipients": [
        "example"
      ],
      "type": "email"
    },
    "status": {
      "state": "ok",
      "balance_tokens": 1200000,
      "threshold": {
        "type": "percent_used",
        "value": 1
      },
      "triggered_at": 1760000000
    },
    "thresholds": [
      {
        "type": "percent_used",
        "value": 1
      }
    ]
  }
}