Use this letter to help you negotiate a full and final settlement offer with a creditor. We've settled debts with most major lenders.Here are examples of the letters we have sent that have worked for our clients. To make a debt settlement agreement, you should identify your debt owner, negotiate a settlement, and formalize the agreement in writing with all details. Use this letter to help you negotiate a full and final settlement offer with your lender. I am now experiencing financial hardship due reduced income. SoloSettle can help you settle the debt once and for all.