A payoff agreement is an informal contract in which a creditor agrees to accept the balance of a debt owed as full payment. Our Payoff Letter template facilitates easy loan settlements.This document clearly outlines the final payment amount, including any interest or fees. Request a loan extension. Instructions. Download PDF, fill out, and fax to 210.476.4647. PDF. Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started. Create a Loan Payoff Letter online and download it as a PDF or Word document. Customize and print a blank Loan Payoff Letter for free. Make math easier with these free calculator templates.