The question every traveler asks first

¿Hay wifi?

eye WEE-fee — Is there wifi?

"Perdona, ¿hay wifi aquí?"
Excuse me, is there wifi here?

"Hay" (there is/are) is one of the most useful small words in Spanish — it works for asking if literally anything is available, not just wifi.

"The first question out of my mouth in every new café. No shame at all."— Graciela