I would like to configure the login to the BLC system, so it forces the user to log in before adding the delivery address and payments. We do not want a guest. Please suggest the best way to do this on the site and in the API.
Also, our login is based on a mobile phone and OTP (once a password) sent to a mobile phone, please suggest how to configure the registration part for receiving a mobile number and OTP on websites and in the API.
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