Update an invoice

curl -X PUT "https://api.live.paisr.tech/v2/invoices/{invoice_id}" \
  -H "Authorization: Bearer <access_token>" \
  -H "User-Agent: MyApp/1.0" \
  -H "Content-Type: application/json" \
  -d '{
  "summary": "Invoice for services rendered",
  "currency": "SRD",
  "due": "In 3 days"
}'

{
  "success": true,
  "message": "Request was successful."
}