Interbank account verification and funds transfer system and method

A depository computing system, comprising:

• at least one processing circuit having at least one processor coupled to at least one memory, the at least one processing circuit configured to:
• receive a check deposit and a withdrawal request associated with a customer account, the customer account associated with a first amount, wherein the withdrawal request comprises a second amount greater than the first amount;
• forward an inquiry message regarding the check deposit to a paying computing system, the inquiry message comprising an identifier of the paying computing system that maintains a payor account of a payor in a paying database different from a deposit database of the depository computing system maintaining the customer account;
• determine real time account status information of the payor account, the real time account status information based on accessing an organized data structure;
• and
• authorize, in real time relative to when the real time account status information is accessed, the withdrawal request for the second amount, wherein the authorization occurs prior to settlement of the check deposit.

One or more computer-readable storage media having instructions stored thereon that, when executed by at least one processing circuit, cause the at least one processing circuit to:

• receive a check deposit and a withdrawal request associated with a customer account of a customer, the customer account associated with a first amount, wherein the withdrawal request comprises a second amount greater than the first amount;
• forward an inquiry message regarding the check deposit to a paying computing system, the inquiry message comprising an identifier of the paying computing system that maintains a payor account of a payor in a paying database different from a deposit database of the at least one processing circuit maintaining the customer account;
• determine real time account status information of the payor account, the real time account status information based on accessing an organized data structure;
• and
• authorize, in real time relative to when the real time account status information is accessed, the withdrawal request for the second amount, wherein the authorization occurs prior to settlement of the check deposit.