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

{
  "invoices": [
    {
      "token": "<string>",
      "invoice_number": "<string>",
      "total": "<string>",
      "billing_period_start": "<string>",
      "billing_period_end": "<string>",
      "status": "<string>",
      "created_at": "<string>",
      "updated_at": "<string>",
      "account_token": "<string>",
      "account_name": "<string>",
      "msp_account_token": "<string>"
    }
  ],
  "links": {
    "self": "<string>",
    "first": "<string>",
    "next": "<string>",
    "last": "<string>",
    "prev": "<string>"
  }
}