If you were trying to use WhatsApp early this morning, it probably didn't work. Users have been reporting problems accessing it this morning. The Meta-owned messaging service with some two-billion users is experiencing outages worldwide, leaving people unable to send or receive messages.
The problems began around 3 AM. By 5 AM some were able to use it while many others were not.
WhatsApp is the most used texting app in the world with 2 billion users!