Amex Credit Card Complaint

Amex Credit card department,

Transaction issue California

I suspended auto-pay on my AME- account and the notification I received confirming this on -/-/15 gave no indication that this was only for three months. Today, I received a notice that payment was processed through auto-pay to my checking account for an existing balance of $5600.00. When I logged into my account earlier in the week, there was no indication that any payment was scheduled or pending as it still is prompting me to make a minimum contribution by -/-/-. When I contacted AME- today, they said that they had my written consent from before and they unfortunately could not cancel the transaction because it had been processed. They reactivated auto-pay without any warning to the amount or what checking account would be debited. All of my recent transactions have been scheduled as one off contributions towards the middle of the month for amounts no more than $2000.00. When I suspended auto-pay years ago through AME-, they clearly indicated in the e-mail that this was only for a three month window. Their notice this time had no such limitation and instead they have changed their website and communication such that key terms are not explicit to the consumer.