Have you recently settled a debt and are searching for a paid in full letter? Good news, we've got two free sample form letters below.What information should be included in my paidinfull letter? If you send a paid in full letter to your creditor or debt collection agency, it informs them that you're making your final payment. This article will explain how to handle debt settlement on your own and how to write the best debt settlement letter possible. Our debt settlement agreement template helps to clearly outline repayment terms to reach a mutually agreeable solution. Writing a debt collection letter can be difficult. What should you say? A letter of explanation can clarify your financial situation and get you one step closer to qualifying for a mortgage. Standard US Mail. ×.