curl --request GET \
  --url https://api.comm.com/api/v1/sms/routing/rates/inboxes \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "sms_route_id": "<string>",
      "sms_route_name": "<string>",
      "inbox_email": "<string>",
      "email_aliases": "<string>",
      "settings": {
        "columns": "<string>",
        "extra_settings": "<string>"
      },
      "total_received": "<string>",
      "last_received": "<string>"
    }
  ]
}