tiers(tiers)

{
    "id": 0,
    "bw_gb_price": null,
    "disk_gb_price": null,
    "is_default": "string",
    "price": null,
    "ratelimit_ops_bytes": 0,
    "ratelimit_ops_secs": 0,
    "sales_desc": "string",
    "sales_name": "string",
    "slug": "string",
    "locations": [
        {
            "hostname": "string",
            "id": 0,
            "name": "string",
            "region": "string"
        }
    ]
}