API - Get Next Invoice Number
Retrieve the next debtor invoice number / nieuw factuurnummer opvragen
Resource:
/acumulus/stable/invoices/invoice_get_next_number.php
Since API:
Available for authenticated:
API invoerder
Available for authenticated:
API gebruiker
Available for authenticated:
API beheerder
Communication:
Response
No XML response structure available. Just a plain invoice number.