Hello Is there a proper way to check if a user exists on the database when doing a sign up?

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Supabase in general does not want to disclose if the email/user exists as a security issue. You can certainly have a function check if email is already there, but security tradeoffs start with is it from a controlled server API call or a client call. Here was a thread on this: https://discord.com/channels/839993398554656828/951961526875594762/952232976668819507

bill92 (2022-04-09)