MyST is our secure account-management tool, providing you with quick access to your payment history.
When you first sign up with us, you will be provided with a MyST username (email address) and password.
You can use these credentials to sign in here:

If you are unable to sign in, please contact our Support team for assistance.

You can use MyST to check for issues with recent payments that may require your attention.

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MyST features:

  • View, refund, repeat or reverse your transactions in one place
  • Specify the Settlement date of your processed transactions
  • Change the final amount of a transaction
  • Download transaction details and export into your accounting software
  • Pay your Secure Trading invoices easily via credit or debit card
  • Authorise payments that cannot be processed online – for example, telephone orders and orders by post via your Virtual Terminal for MOTO transactions
  • Create and manage sub-users with different levels of access, to assist you in managing your account

To access all features, we recommend that you enable JavaScript in your web browser when using MyST.


Click here for information on how to add a new Webservices username.