I have had an American Express card for many years but don't use it that often. Recently I made a mistake inputing the pin number. Understandably the account locked. The next time I used the card instead of contactless I was, expectedly, asked to put in the pin. Which I did successfully. The shopkeeper was then surprised to be asked by the automated till to ask for a verification signature, which I gave. I then received a snotty automated email telling me that 'as a courtesy' they had allowed me to make this last purchase and asking me to click on a link to 'verify my pin'. This sounded too much like a scam. So instead I went to the Amex web page, logged in and clicked to view my pin. I was asked for the memorable date but the format of the date was not specified. The attempts I made resulted in me being locked out, again, after putting in the right date but in an apparently unacceptable format. I then rang them. The call centre has an absolutely awful voice automated query system. After failing to grasp anything from it a human being eventually came on the line. They could not sort it out over the phone and just kept telling me to go back to the website. Result? An unusable Amex card.