The letter must explain who is gifting the money, where the donor's funds are coming from and the relationship between the donor and the recipient. Yes, all lenders will require a gift letter.Although you may have the funds, the lender needs to confirm that you won't have to repay the gift. The most important document required is a gift letter. Gift funds are an excellent option for Consumers who are short of the funds needed to purchase a home. Most loan programs allow for the use of gift funds. A gift letter for a mortgage shows your lender that you don't need to repay gift money toward your down payment. The letter should state that the gift is intended to help the borrower make a down payment and that the donor has no expectation of repayment. A gift letter from the donor to the recipient, detailing the amount gifted and its intended purpose. We're an unmarried couple about to buy a home.