Modified global exception for JSON in app/Exceptions/Hander.php file

Handler.php

<?php

namespace App\Exceptions;

use Exception;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;

class Handler extends ExceptionHandler
{
    ...
      
    /**
     * Render an exception into an HTTP response.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Exception  $exception
     * @return \Illuminate\Http\Response
     */
    public function render($request, Exception $e)
    {
        if ($request->ajax() || $request->wantsJson())
        {
            $json = [
                'success' => false,
                'error' => [
                    'code' => $e->getCode(),
                    'message' => $e->getMessage(),
                ],
            ];

            return response()->json($json, 400);
        }

        return parent::render($request, $e);
    }
}