To delete an account in Whatnot app tap on your profile in the bottom right, tap on your icon top left, tap on message us, tap and then you can reach out to all these issues: I'm a buyer, I'm a seller, trust and safety, apply to go... All of that.
But basically to delete your account you can just write something like this. Just send a message and then you will be able to negotiate with their support team and maybe they will help you out, because there is no option to delete your account right from the app, which is a bit annoying but that's what it is.
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