How to say What's the Wi‑Fi password? in Korean
Korean: 와이파이 비밀번호요?[ wa-i-pa-i bi-mil-beon-ho-yo? ]

Meaning
와이파이 비밀번호요? is a short, natural way to ask for the Wi‑Fi password. People use it in places like cafes, hotels, school, or someone’s home when they want to get online. It sounds polite and casual in everyday conversation.
Example sentences
카페에서 와이파이 비밀번호요?
At the cafe, what’s the Wi‑Fi password?
친구 집에 가서 와이파이 비밀번호요?
At my friend's house, what’s the Wi‑Fi password?
호텔에서 직원에게 와이파이 비밀번호요?
At the hotel, asked the staff about the Wi‑Fi password
공항에서 직원에게 와이파이 비밀번호요?
At the airport, what’s the Wi‑Fi password?