In certain embodiments, a system for real-time data processing includes one or more processors operable to: determine a deposit financial institution and deposit account based on received check data, determine a debit financial institution and debit account based on the received check data, determine that the deposit and debit financial institutions are member financial institutions, determine a debit amount based on received check data; and one or more interfaces operable to: communicate a debit notification to the debit financial institution, the debit notification including at least a portion of the received check data, and receive an authorization notification from the debit financial institution in response to communicating the debit notification, the authorization notification representing a commitment from the debit financial institution to transfer the debit amount to the deposit financial institution.