# Elevated errors for SMS opt-ins, scheduling, and sending

- Provider: [Klaviyo](https://down.guide/klaviyo)
- Level: confirmed
- Impact: Partial outage
- lasted 33m
- started 2026-07-21 20:36 UTC
- Text Message Sending, WhatsApp Sending
- id: DWN-e6e9ebb11d
- Official page: https://stspg.io/wdqtkt49pl9x

## Updates from Klaviyo
### 2026-07-21 20:36 UTC: investigating
We are currently investigating an issue impacting SMS subscriptions, delays in SMS sending, and errors when creating or scheduling SMS and WhatsApp campaigns. We are working to restore normal service as quickly as possible. We will share another update as soon as we have more information.

### 2026-07-21 20:47 UTC: identified
We have identified the cause of the issue and a fix has been implemented. We are starting to see improvements in system performance.

### 2026-07-21 20:57 UTC: monitoring
System performance for SMS opt-in forms, sending, and campaign creation and scheduling remains stable. We continue to monitor closely and appreciate your patience throughout this incident.

### 2026-07-21 21:09 UTC: resolved
SMS subscriptions, SMS sending, and the creation and scheduling of SMS and WhatsApp campaigns are operating as expected. This incident has been resolved.

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