Is it possible to do Invite-Only Passwordless authentication?

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1

I see that it’s possible to disable signups as part of a password-less connection. This is also implied by @prashant answer to this question: How to prevent users signups in Passwordless connections? - Auth0 Community

However, I don’t quite understand how to create users in password less connections. When I try to create a user in the dashboard, it only allows me to select database connections. My email passwordless connection doesn’t appear anywhere. Is API the only way to create a user into the passwordless connection?

2

Passwordless users currently can’t be created from the Dashboard; they can be created via the Management API:

3

Using the management API, how can we control what client the new passwordless user will be authenticated with (when they click on the magic link from the received email)?

4

Using the /passwordless/start endpoint of the authentication API requires passwordless signups to be enabled afaik (even if called from the server)