Where can Failed Transactions be reviewed? Follow Failed transactions can be reviewed in Vendo BackOffice under Sales -> Transactions Please use the comments section below to ask any additional information. You can also contact us at email@example.com Related articles I’m having an issue with integration. Can you guys provide me with tech support? Does Vendo accept prepaid cards? What does "Error Code 1311 - The Purchase Authorization failed" stand for? Accepting gift cards via PayGarden How can I cancel a subscription in Vendo Back Office?