Spa+laravel+token auth

Hi all.
I added an auth0 application and organized authorization for a SPA vue app. Now I would like to add request authorization to my local laravel backend (so that an unauthorized user cannot successfully make a request, but an authorized one can).

As I managed to understand, for this I need to create an auth0 API, configure everything necessary on the backend, and send a request with a token obtained using the getAccessTokenSilently method.

However, at the moment I’m getting a “Request failed with status code 403” error.

I cannot understand how the api I created and the application should be connected. Please can you recommend a tutorial for my case?