curl --location --request POST 'https://barrack.ai/api/firewalls//attach/' \
--header 'Content-Type: application/json' \
--data-raw '{
"instance_ids": [
"string"
]
}'{
"success": true,
"message": "Firewall attached to instances successfully",
"attached_instance_count": 3,
"already_attached_count": 0,
"tier": "legacy",
"request_id": "g7h8i9j0"
}