[UPDATE] WhatsApp is up now!
Some users are reporting on Twitter that WhatsApp are down.
Currently Trending on Twitter #whatsapp and #whatsappdown
We just check, its down right now. Some of the detector website is still showing that its down.
Some of the users automatic logout from its web version web.whatsapp.com
DNS detecting sites showing its server down,
Check following screenshot from isitdownrightnow website
According to DownDetector