curl --request GET \
  --url https://api.thundercompute.com:8443/v1/billing/saved-details \
  --header 'Authorization: <api-key>'

{
  "address": {
    "city": "<string>",
    "country": "<string>",
    "line1": "<string>",
    "line2": "<string>",
    "postal_code": "<string>",
    "state": "<string>"
  },
  "name": "<string>",
  "tax_ids": [
    {
      "id": "<string>",
      "type": "<string>",
      "value": "<string>"
    }
  ]
}