curl --request GET \
  --url https://api.zippendo.com/orgs/{orgId}/billing/invoices \
  --header 'Authorization: Bearer <token>'

{
  "invoices": [
    {
      "id": "<string>",
      "number": "<string>",
      "date": "<string>",
      "amount": 123,
      "currency": "<string>",
      "status": "<string>",
      "pdfUrl": "<string>",
      "hostedUrl": "<string>"
    }
  ]
}