Outage in Klaviyo

Delay in SMS Sending

Resolved Minor
March 18, 2025 - Started 25 days ago - Lasted about 1 hour
Official incident page

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Outage Details

We are currently experiencing delays of up to 3 hours for a subset of SMS sending. Impacted SMS sends include flows, keyword responses, conversations, and preview messages. SMS campaign sending is not impacted. We are actively working to restore real-time SMS sending and will continue to provide updates here.
Latest Updates ( sorted recent to last )
RESOLVED 24 days ago - at 03/18/2025 01:49AM

This incident has been resolved, and all messages impacted by the delays have been delivered.

MONITORING 24 days ago - at 03/18/2025 01:35AM

We have resolved the underlying issue causing the delays and we expect to be back to real-time SMS sending within 15 minutes. Any messages impacted by the delays will be delivered.

INVESTIGATING 25 days ago - at 03/18/2025 01:05AM

We are currently experiencing delays of up to 3 hours for a subset of SMS sending. Impacted SMS sends include flows, keyword responses, conversations, and preview messages. SMS campaign sending is not impacted. We are actively working to restore real-time SMS sending and will continue to provide updates here.

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