Yes, Vantiv typically requires customers to enter into a service agreement or contract when utilizing their payment processing services. These contracts outline the terms and conditions of the relationship between Vantiv and the merchant. Common elements included in these contracts are pricing details, transaction fees, service levels, and the duration of the agreement. Additionally, it is important for merchants to carefully review the terms regarding cancellation policies, potential penalties for early termination, and the specific services being provided. Contracts may vary based on the services selected, such as point-of-sale solutions or online payment processing. It is advisable for merchants to fully understand their contractual obligations and rights before signing. For specific information about contract details and to review the terms relevant to your situation, it may be helpful to look for updated information on Vantiv's official website.