Send mortgage payoff letter template via email, link, or fax. You can also download it, export it or print it out.Send sample payoff letter for private mortgage via email, link, or fax. A payoff agreement is an informal contract in which a creditor agrees to accept the balance of a debt owed as full payment. Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started. A mortgage payoff letter can come in two forms. One form tells borrowers the remaining principal amount and interest they have to pay to close out the loan. Note, Security and Guaranties: Release (6-381-2932)). This is an example of a payoff letter used in a syndicated loan transaction.