Todo: create a "Login with Link" back-end-only demo. In other words, extend Link to offer an authentication back-end, and let the developer use their own "session management" library.
An in-progress scrappy experiment by markmoriarty@stripe.com
Login with
This is NOT a full session & user management solution.
This is (ahem… will be) an auth endpoint so you can offer "Login with Link" as a social login option — as the only option, or other options like "Login with Google", "Login with Twitter", etc.