Pass -vvv to any command to see the full request before it's sent:
php artisan bookstore:get-books -vvv
Request
-------
GET https://api.example-bookstore.com/books
Request Headers
---------------
Accept: application/json
Content-Type: application/json
Authorization: Bearer sk-abc...
This shows the HTTP method, resolved URL, request headers (including authentication), and request body when present.