Mo. Rev. Stat. § 59.567

The recorder of deeds in any municipality or county may establish a new revenue collection procedure of prepaid accounts for the payment of required recording or filing fees, including but not limited to the acceptance of credit or debit cards for such purpose. No person establishing an account pursuant to this section shall be entitled to payment of any interest on such account. Funds in prepayment accounts shall be refundable upon written order of the authorized party designated to transfer moneys from such account.