curl --request GET \
  --url https://api.brightdata.com/zone/cost \
  --header 'Authorization: Bearer <token>'

{
  "ID": {
    "back_m2": {
      "bw": 0,
      "cost": 0
    },
    "back_m1": {
      "bw": 36557298,
      "cost": 0
    },
    "back_m0": {
      "bw": 1219004,
      "cost": 0
    },
    "back_d2": {
      "bw": 82190,
      "cost": 0
    },
    "back_d1": {
      "bw": 0,
      "cost": 0
    },
    "back_d0": {
      "bw": 0,
      "cost": 0
    }
  }
}