curl --request GET \
  --url https://api.vantage.sh/v2/billing_profiles/{billing_profile_token} \
  --header 'Authorization: Bearer <token>'

{
  "token": "<string>",
  "nickname": "<string>",
  "created_at": "2023-08-04T00:00:00Z",
  "updated_at": "2023-08-04T00:00:00Z",
  "billing_information_attributes": {
    "token": "<string>",
    "company_name": "<string>",
    "country_code": "<string>",
    "address_line_1": "<string>",
    "address_line_2": "<string>",
    "city": "<string>",
    "state": "<string>",
    "postal_code": "<string>",
    "billing_email": [
      "<string>"
    ]
  },
  "business_information_attributes": {
    "token": "<string>",
    "metadata": {
      "custom_fields": [
        {
          "name": "<string>",
          "value": "<string>"
        }
      ]
    }
  },
  "invoice_adjustment_attributes": {
    "token": "<string>",
    "adjustment_items": [
      {
        "name": "<string>",
        "amount": "<string>"
      }
    ]
  },
  "managed_accounts_count": "<string>",
  "banking_information_attributes": {
    "token": "<string>",
    "bank_name": "<string>",
    "beneficiary_name": "<string>",
    "tax_id": "<string>",
    "secure_data": {
      "account_number": "<string>",
      "routing_number": "<string>",
      "iban": "<string>",
      "swift_bic": "<string>"
    }
  }
}