Meta is currently experiencing an outage that is affecting service on especially on the WhatsApp Cloud API (most of the WhatsApp Business account are not working), but also Messenger API and Instagram Messenger API (a relevant number of messages is not being sent). This issue began on 04-03-2024 at 11:10 AM PST. Meta's engineering teams are actively investigating the issue, but an ETA for resolution has not yet been provided.
For further details, refer to the Meta Status Page at https://metastatus.com/