Some of our customers use https://www.spendesk.com/en/solutions/ https://www.spendesk.com/en/solutions/ If a card fails or an unapproved charge (e.g. price incr

Some of our customers use https://www.spendesk.com/en/solutions/ https://www.spendesk.com/en/solutions/ If a card fails or an unapproved charge (e.g. price increase) doesn't work then their automated emails are pretty confusing for us, the service provider. But seems to work fine for them. (We're too small of a company to use such a solution ourselves)