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

SuperTokens.com

any documentataion regarding how to create user

<@867066293361311815> you can use the sign up route, or you can even use the sign up function provided by the SDK

I need to manulaly create user. Something like admin can create user.

Right. Thjere should be a `EmailPassword.signUp(..)` function

https://supertokens.com/docs/nodejs/modules/recipe_emailpassword.html#signUp-1

<@498057949541826571>  And again is there any way i assign role to user while i create it

Yes. https://supertokens.com/docs/nodejs/modules/recipe_userroles.html#addRoleToUser-1

<@498057949541826571> is there any documentation how i can override signup for fastify

https://supertokens.com/docs/emailpassword/common-customizations/handling-signup-success