| CPC G06Q 20/401 (2013.01) | 21 Claims |

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1. A computer-implemented method, comprising:
validating, by an account security system comprising a memory and one or more processors, a merchant system using merchant data to create a set of merchant credentials associated with validation for an authenticated merchant system using the merchant data;
facilitating secure transactions associated with the merchant system, wherein facilitating includes authenticating the merchant system using the set of merchant credentials for the secure transactions;
automatically generating transaction data for the secure transactions, wherein the transaction data includes tokenized client account numbers associated with the secure transactions;
processing, by the account security system, a refund request associated with the secure transactions, wherein the refund request includes the set of merchant credentials;
authorizing the refund request using the set of merchant credentials;
accessing, by a refund application programming interface (API) of the account security system, a database that includes the transaction data;
aggregating the refund request with a plurality of refund requests using a batch reversal system of the account security system;
scheduling batch processing for the plurality of refund requests for a scheduled time when spare resources of the account security system are available; and
automatically facilitating settlement of refund payments for the secure transactions using the authenticated merchant system and the transaction data.
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