# Klaviyo: WhatsApp Disruption

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2026-06-06 17:18 UTC · Resolved: 2026-06-06 23:05 UTC · Duration: 5.8 h
- Updates: 2 · Affected components: SMS Sending - WhatsApp, WhatsApp Sending
- [Vendor status page: https://stspg.io/yr09rv38gw3x](https://stspg.io/yr09rv38gw3x)
- [Company: Klaviyo](https://rewindex.com/company/klaviyo.md)

## Summary

Klaviyo reported a critical outage of all WhatsApp functionality, including message sending, integration setup and template editing, due to an upstream provider outage. The incident started at 2026-06-06 17:18 UTC and was marked resolved at 2026-06-06 23:05 UTC, lasting 5 h 47 min; Klaviyo confirmed services were restored after monitoring. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-06-06 17:18 UTC: All WhatsApp functionality is currently unavailable for customers due to an upstream provider outage (including sending, integration setup and template editing). The Engineering team is actively investigating and will share more information as soon as it becomes available.
- **resolved** 2026-06-06 23:05 UTC: The issue affecting WhatsApp features within Klaviyo has been resolved as of 6:45 PM US/Eastern on June 6, 2026. Our Engineering team has monitored performance and see that WhatsApp services have been restored including message sending, integration setup and template editing. This incident has been resolved.

## Rewindex changes for this incident

- 2026-06-06 17:18 UTC: [Critical incident: WhatsApp Disruption](https://rewindex.com/change/id7a26a96a05c93.md)


---
Canonical: https://rewindex.com/company/klaviyo/incidents/3sh5m87wtk20 · Markdown: https://rewindex.com/company/klaviyo/incidents/3sh5m87wtk20.md · JSON: https://rewindex.com/api/v1/companies/klaviyo/incidents/3sh5m87wtk20 · Generated 2026-10-18T12:40:28.822Z