SuperTokens is an open source authentication solution offering features like: Different types of login: Email / password, Passwordless (OTP or Magic link based).

SuperTokens.com

Hello, in the page:  https://supertokens.com/docs/emailpassword/common-customizations/handling-signup-success 
For 2) On the backend python

it's not 
   if isinstance(result, **SignInOkResult**):

but
   if isinstance(result, **SignUpOkResult**):

hey <@184725855472320512> right! you are correct. We will fix it right away! thanks