Klaviyo experienced a minor incident on March 18, 2025 affecting SMS Sending - Toll Free Number SMS and SMS Sending - Toll Free Number MMS and 1 more component, lasting 43m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Mar 18, 2025, 01:05 AM UTC
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.
- monitoring Mar 18, 2025, 01:35 AM UTC
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.
- resolved Mar 18, 2025, 01:49 AM UTC
This incident has been resolved, and all messages impacted by the delays have been delivered.