curl --request POST \
  --url https://api.tenbytecloud.com/v1/network/ip_addresses \
  --header 'Content-Type: application/json' \
  --header 'apikey: <api-key>' \
  --data '
{
  "billing_account_id": 123
}
'

{
  "id": 1,
  "address": "1.1.1.1",
  "name": "my_ip",
  "enabled": true,
  "assigned_to": null
}