List add-ons

Example response

{
  "data": [
    {
      "id": "clx1234567890",
      "name": "Extra Storage",
      "code": "extra_storage",
      "description": "50GB additional storage",
      "invoiceDisplayName": "Storage Add-On",
      "prices": [
        {
          "id": "clx1234567890",
          "currency": "USD",
          "amount": "29.9900"
        }
      ]
    }
  ],
  "meta": {
    "total": 150,
    "page": 1,
    "limit": 20,
    "totalPages": 8
  }
}