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A magic key is a code which allows you to have access to your partner UI without having to login using your username and password. Having such a code is elementary when you want to create automated exports in order to export data from the platform automatically.
A typical magic key looks more or less like this:
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Make sure you are logged in to your partner UI, go to the right corner in the top bar and scroll over your ID and name. If you do so, a small menu will appear containing all the sections of your account management. Proceed to click on ‘credentials’.
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