US Patent 11875328 System and method for secure detokenization

A system for accessing protected data comprising a token retriever system operating on a processor and configured to receive a token from a user and to transmit a request including the token to a detokenization system over a data communications medium. The detokenization system configured to receive the token, to verify that the request has been received from an authorized source, and to transmit a response to the request that includes an account number associated with the token. The token retriever system is configured to receive the account number and to display the account number for a predetermined period of time.