Currently, Zoho Books does not allow you to void payments after they have been recorded. But, it allows you to delete a payment that is recorded.
To delete a payment, please follow the steps mentioned below,
Note: You cannot delete a payment which is already Matched or Categorized with a bank transaction.
On a related note, Zoho Books allows you to void Invoices and Bills. To know more about voiding an Invoice, click here.
and GST filing.