You may cancel your order at no cost at any stage up until the order status of "Processing".
To submit a refund request, see How to submit a refund request?
Once the refund request is allowed, see How long do refunds take?
To cancel an unpaid order, see here.
To learn about recalling and cancelling an order after it is processed, see Can I recall and cancel a processed/ completed transaction?
Kindly note that multiple cancellations of deposited orders may result in the permanent rejection of your account at the discretion of MoneyMatch management team.