Yes, the world's most popular messaging app, Meta's WhatsApp, was having serious issues on Wednesday.
As of 5:18 p.m. ET, internet service status tracker Downdetector was picking up enough errors to conclude that there were "problems at Whatsapp."
WhatsApp itself acknowledged the problem in a tweet, saying it was "working quickly to resolve connectivity issues with WhatsApp and we’ll update you here as soon as possible."
Data recorded by the tracker Down for Everyone or Just Me indicated as of Wednesday afternoon that the outage had begun at roughly 4:15.
It's worth noting that comments posted on Downdetector suggested that many territories around the world had experienced an outage earlier on Wednesday, but that it was already over.
This is a developing story, and we'll update if any important information emerges.