List the organization's invoices and refunds

curl -X POST 'https://api.expiryedge.com/v1/getInvoices' \
  -H "Authorization: Bearer $EXPIRYEDGE_API_KEY"

{
  "invoices": [
    {
      "id": "in_1QfU2aNorthwind",
      "type": "invoice",
      "number": "NW-0012",
      "date": 1790517900000,
      "periodStart": 1790517900000,
      "periodEnd": 1793196300000,
      "amount": 29,
      "amountDue": 29,
      "currency": "usd",
      "status": "paid",
      "pdfUrl": "https://pay.stripe.com/invoice/acct_1/in_1QfU2aNorthwind/pdf",
      "hostedUrl": "https://invoice.stripe.com/i/acct_1/in_1QfU2aNorthwind",
      "description": "Personal Lite (monthly)"
    }
  ]
}