apache2-laravel-websockets.conf

<VirtualHost _default_:443>
        ServerName example.com
        ServerAdmin [email protected]
        DocumentRoot /var/www/public_html/example.com/public

        <Directory /var/www/public_html/example.com>
             AllowOverride All
        </Directory>
        
        ### Our config starts here ###
        ProxyPass "/app/" "ws://127.0.0.1:6000/app/"
        ProxyPass "/apps/" "http://127.0.0.1:6000/apps/"
        ### Our config ends here ###
        
        ErrorLog ${APACHE_LOG_DIR}/error.log
        CustomLog ${APACHE_LOG_DIR}/access.log combined
        
        # Add correct paths below for SSL support
        #SSLEngine on
        #SSLCertificateFile      /path/to/cert.cer
        #SSLCertificateKeyFile  /path/to/cert.key
        #SSLCertificateChainFile  /path/to/fullchain.crt
        #SSLCACertificateFile /path/to/ca.cer
        
        #....
 </VirtualHost>

Hello @monedicolombia I believe your issue is rather from the server and not postman itself, if you'd like further help you can contact me on Gmail via [email protected], i'd be more than happy to help you resolve this issue as for now I can't exactly pinpoint where your configuration issue lies