Update from Meta: The fix for the major disruption impacting sending messages on WhatsApp Cloud API has been deployed and this issue is now mitigated as of 3rd Aug 2023 11:50 PM PDT. Thank you for your patience.

We continue to await updates from Meta - however to confirm however the majority of clients numbers are unaffected by this issue.

Update from meta: Our engineering teams have identified the root cause of the major disruption impacting sending messages on WhatsApp Cloud API. We are currently deploying the fix and the expected deployment time is in 6 hours. We will provide another update within 4 hours or sooner if additional information is available.

Meta are currently experiencing a disruption to their WhatsApp Business Cloud API - for more details you can check their status updates at https://metastatus.com/whatsapp-business-api