An indenture is a legal and binding contract usually associated with bond agreements, real estate, or bankruptcy. An indenture agreement is a legally binding document or contract that establishes terms and conditions between two or more parties.Indenture agreements are a powerful tool for businesses and individuals, protecting their interests in a variety of ways. The Borrower is a qualified "housing sponsor" as defined in the Act. A mortgage indenture is a final agreement between a lender and a borrower that sets the terms and conditions of a loan agreement between them. Indenture is a legal contract between a borrower and a lender that outlines the terms and conditions of a debt issue. Learn about types, terms and sig. Trust indentures ensure that the rights of bondholders are protected. An indenture, signed at the closing of the issuance of the notes, is a contract between the issuer of the notes, any guarantors of the debt and the trustee. A trust indenture is an agreement in a bond contract made between a bond issuer and a trustee that represents the bondholder's interests.