In InvoiceASAP a deposit is the same as a partial payment.
1. From your computer, log into the InvoiceASAP Web Dashboard.
2. Click on Invoices.
3. Click the '$' sign to open the payment screen.
4. Click the 'Cash' button.
5. You will see the invoice total here.
6. Type in the partial payment amount and pay.
7. You and your customer will see the balance due.