Get remaining IPs count

{
  "type": "object",
  "required": [
    "results"
  ],
  "properties": {
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "remaining",
          "period",
          "price_per_ip"
        ],
        "properties": {
          "period": {
            "type": "string",
            "description": "The length of time until user can add more IPs."
          },
          "price_per_ip": {
            "type": "number",
            "description": "The current cost to add an IP."
          },
          "remaining": {
            "type": "integer",
            "description": "The number of IPs that can still be added to the user."
          }
        }
      }
    }
  }
}