A method including: receiving an indication of a transaction authorization of a pending transaction, the transaction authorization being requested using a financial account associated with a user; outputting for transmission, to a user device associated with the user, a request for purchase information corresponding to the pending transaction; receiving, from the user device, receipt image data corresponding to a receipt related the pending transaction; storing data indicative of the receipt in correspondence with the pending transaction; determining, based on analyzing a plurality of posted transactions of the financial account, a first posted transaction corresponding to the pending transaction; and storing the data indicative of the receipt in correspondence with the first posted transaction.