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Klaviyo: Shopify API Outage

Impact: majorStatus: resolvedStarted Resolved (2.9 h)4 updatesSource: stspg.io (opens in new tab)
Summary

Klaviyo’s major Shopify API outage caused integration setup errors and data-sync delays from 2026-06-03 14:23 UTC to 2026-06-03 17:16 UTC, lasting 2 h 52 min. Klaviyo attributed it to a partial upstream-service outage; syncing returned to normal, with automated retries clearing backlogs and failed integration states. Customers whose new integration setup failed can retry.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Affected components: Integrations - Integrations - ShopifyShopify

Timeline of updates

  1. investigating

    Klaviyo is aware of an issue affecting the Shopify integration. Some customers attempting to set up a new Shopify integration, or performing actions that depend on the Shopify API, may be encountering errors. Customers with existing integrations may experience delays in Shopify data syncing. The issue is caused by a partial outage affecting an upstream service, and our team is actively monitoring the situation while automated retry processes work to recover affected requests. You can follow the external incident here: https://www.shopifystatus.com/incidents/gbqcx5fk01gz We will share more as soon as the situation is understood.

  2. identified

    The issue has been identified and we are seeing early signs of recovery. We are continuing to monitor the situation closely and will share another update shortly.

  3. monitoring

    We're seeing further recovery for Shopify integrations, and Shopify data syncing is returning to normal. Automated retry processes are working through the backlog of affected requests. No action is required for customers with existing integrations. Customers who saw errors while setting up a new Shopify integration can retry that setup. We continue to monitor closely and appreciate your patience throughout this incident.

  4. resolved

    The issue affecting Shopify integrations has been resolved, and Shopify data syncing has returned to normal. Automated retry processes will continue to work through the backlog of affected requests. Some customers may see their integration in a failed state, but the retry processes will automatically fix this. Customers who saw errors while setting up a new Shopify integration can retry. This incident has been resolved.

Rewindex changes for this incident

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Klaviyo profile · Recent Klaviyo incidents · Markdown · JSON