This POST method allows you to create a new sales invoice within the ‘Boekhouding’ (bookkeeping) module of our software.
- Maximum 50 invoice lines per invoice allowed.
- If CustomerNumber is used to identify the customer, the number must be greater then zero. A zero value will be interpreted as empty.
- If CustomerName is used to identify the customer and you have multiple customers with exactly the same name, we will use the first found match.
- You must add at least one invoice line.