A transaction account verification system and method are provided. A user computing device transmits an account registration request that includes a selection of an account verification technique. A service provider obtains the request and initiates a set of transactions with an identified financial service provider. The service provider generates at least one verification token reflective of the set of transactions and at least one piece of information associated with the selected account verification technique. The user computing device generates at least one user verification token from user input regarding the set of transactions and at least one piece of information associated with the selected account verification technique. The service provider can verify the transaction account and set transaction thresholds based upon matching verification tokens.