Meta experienced a minor incident on March 18, 2026 affecting WhatsApp Business Platform — Cloud API, lasting 2h 40m. The incident has been resolved; the full update timeline is below.
Affected components
WhatsApp Business Platform — Cloud API
Update timeline
- investigating Mar 18, 2026, 02:00 AM UTC
We are currently experiencing low disruptions impacting message sending on Cloud API. This issue started around 10:00 AM +08 GMT. Our engineering teams are investigating the issue. We will provide another update within the next 1 hour or sooner if additional information is available.
- resolved Mar 18, 2026, 04:40 AM UTC
The fix for the low disruption impacting message sending on Cloud API has been deployed and this issue is now mitigated as of 12:03 PM +08 GMT. Thank you for your patience.