First Internet Bank provides full integration with Zelle, allowing both personal and eligible small business banking customers to send, request, and receive money directly through its official mobile application and online banking portal. Account holders can link their checking or savings accounts to Zelle using an enrolled email address or U.S. mobile phone number to execute fast peer-to-peer transfers. This digital integration enables users to split bills, settle payments with trusted individuals, and process business transactions without paying service fees or sharing sensitive account details.