Having problems uploading a file? It’s possible that your firewall is blocking Filestack API calls.
To fix this, contact your network department to update your firewall settings and open the following connections:
www.filestackapi.com (220.127.116.11) port 443 TCP
api.filestackapi.com (18.104.22.168) port 443 TCP
Still having problems? Email us at email@example.com