Hello @wrnoof,
Thank you for reaching out to the Community and telling us about this issue. I'm sorry to hear you're running into this problem. For instructions on creating a new post, read this FAQ.
Could you give me a bit more detail what is happening with your American Express online biller? Are you getting any error messages? What is happening when you try to pay your bill?
Thank you.
Thank you for your reply,
Please let me know how the Validate goes so we can troubleshoot further if needed.