Here, i will show you laravel sanctum spa authentication. This article will give you simple example of laravel sanctum api authentication. you can understand a concept of laravel sanctum api auth. i would like to share with you laravel sanctum api tutorial. Here, Creating a basic example of laravel sanctum mobile authentication.
you can easily create api using sanctum in laravel 6, laravel 7 and laravel 8 version.
Laravel Sanctum provides a simple authentication system for SPAs (single page applications), mobile applications, and simple, token based APIs. Sanctum also allows each user of your application to generate multiple API tokens for their account.
So you also want to create api for your mobile application than you can follow this tutorial for how to create rest api step by step with laravel and sanctum. If you are new than don't worry about that i written tutorial step by step.
Follow bellow few steps to create restful api example in laravel 8 app. So read this from here