{"success":true,"service":"WhatsApp API","version":"1.0.0","endpoints":{"auth":{"qr":"GET /api/auth/qr","pairingCode":"GET /api/auth/pairing-code?phone=48604299915","status":"GET /api/auth/status","logout":"POST /api/auth/logout"},"messages":{"sendToUser":"POST /api/message/send","sendToGroup":"POST /api/message/send-group"},"groups":{"list":"GET /api/groups"}},"documentation":"See README.md for detailed usage"}