Fixed or Custom payment amount options. You can have a product with a fixed price or can allow users to enter the amount, in example they pay for an invoice.
Invoice field. Allow your customer to specify the invoice number they are paying for, the invoice number appearing in your payment gateway transaction.
Product description. Add product description before the payment button and on the pop-up form.
Customize button texts. Easily change the text shown on the buttons, in example “Click here to pay”, “Buy for only 19.99” etc.