Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started.1. Complete the Payoff Request Form in its entirety. Unsigned or incomplete requests will not be processed. 2. A payoff letter shows the remaining balance on your mortgage, including fees, interest, etc. Learn more about what a payoff quote is and how to request one. A payoff letter provides instructions on how to pay off a loan with a lump sum before the loan term ends. Learn how payoff letters work. Say you have a mortgage and want to know exactly how much you'd need to pay to satisfy the loan. A mortgage payoff letter will tell you that magic number.