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.This is an example of a payoff letter used in a syndicated loan transaction. This payoff letter (including the defined terms such as Lenders,. An auto loan payoff quote, sometimes called a 10day payoff, states how much you need to pay off the loan balance. A payoff agreement is an informal contract in which a creditor agrees to accept the balance of a debt owed as full payment. Provide a clear explanation: Your letter should acknowledge and indicate why something happened. To get a payoff letter, ask your mortgage lender for an official payoff statement and let them know what the projected closing date is. To get a payoff letter, ask your mortgage lender for an official payoff statement and let them know what the projected closing date is. LoanDepot Servicing login.