curl --request POST \
  --url https://app.closerx.ai/api/download-stripe-invoice/ \
  --header 'Content-Type: application/json' \
  --header 'api_key: <api-key>' \
  --data '
{
  "invoice_id": "h5v6Ae11"
}
'

{
  "invoice_pdf_url": "<string>"
}