A Promissory Note with Balloon Payments is a loan contract that enables a lender set loan terms with one or more larger payments at the end. The following is an example of promissory note which can be used to guide and direct eligibility decisions in which promissory notes are involved.An unsecured promissory note with amortized payments is a promise to pay back a loan when there's no collateral, and it'll be repaid in equal installments. A balloon payment clause refers to a provision in a loan agreement that requires the borrower to make one large payment at the end of the loan term.