Authenticating Next.JS SPA Using Laravel Fortify & Sanctum - https://www.youtube.com/watch?v=QYJKp1e71xs&list=PLr3d3QYzkw2xBW6JN490-NRj575Vprplv
See https://github.com/ggelashvili/laravel-fortify-spa-backend for Laravel API back-end.
See https://nextjs.org/docs for NextJS documentation.