You can use our Request Payment Options to have an invoice emailed to your customer. The email will have a link to a payment form where the buyer can make payment to you.
In the Classic Sellers Area, you can send a request by clicking the Create Invoice link in the Helpful links box on your account home page and entering the required information in the invoice form.
In the new Vendors Administration Area, you can send a request by clicking the Sales tab on your account home page and then clicking the Request Invoice sub tab on the Sales page and fill in the required information in the invoice form.