For how long can I refund Bizum transactions? September 13, 2022 11:11 Updated Bizum transactions can be refunded within 365 days after the initial transaction has been processed. Related articles Where is Bizum available? What are the transaction fees for Bizum? Can I customize the appearance of my MONEI Pay app and QR payment codes? Is there a Bizum consumer spending limit? How are Bizum transactions paid out to me?