To request a payoff quote, please complete the payoff quote form. This form is intended for 3rd parties acting on behalf of Mr. Cooper customers.How to fill out the Payoff Request Letter Templates? A payoff agreement is an informal contract in which a creditor agrees to accept the balance of a debt owed as full payment. Make your loan payment. Paying Off Your Loan. A) What are the documents I should be getting from county clerk office and my mortgage company after I pay off my mortgage? To request a copy of your mortgage discharge or a paid in full letter, please call our Customer Service Department at 800-968-7700. The lender will review all your information and provide you with a prequalification letter that will reflect a sales price they will finance.