You can update your card details through CHI interface:

  1. Go to

  2. Login into your account:

  3. Go to the account section, this will be in the bottom left of the new screen

  4. Inside the admin section you need to go to the Payments & Billing tab

  5. Inside the Payments & Billing tab you have the option to Add Credit Card (or Debit Cards) or to Add Direct Debit.  

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