●Incident
Klaviyo outage.
ResolvedDEGRADATION · HIGHMay 5, 2026, 09:16 PM · about 2 months ago · Regions: europe
Incident Summary
Incident Summary
API Klaviyo is currently DOWN in us-east.
Diagnostic Details
Error Type: timeout HTTP Status: N/A Error Message: Request timeout after 10000ms Retry Attempts: 3 (all failed)
Validation Results
Validation Reason: All 3 retry attempts failed Consecutive DOWN Checks: 2 Time Between Checks: 295s
Cross-Region Impact
Also DOWN in: europe, us-west Total Affected Regions: 3
Severity Assessment
Level: HIGH Multiple regions affected or critical error type detected.
Detected by Probecast Health Monitor - 2026-05-05T21:16:33.397Z
Timeline
●Started
May 5, 2026, 09:16 PM
about 2 months ago
●Resolved
May 5, 2026, 11:45 PM
about 2 months ago
●Duration
Ongoing
Evidence Logs5 checks
| Time | Region | Status | Latency | Code |
|---|---|---|---|---|
| May 5, 09:16 PM | us-west | down | 10001ms | — |
| May 5, 09:16 PM | us-east | down | 10000ms | — |
| May 5, 09:16 PM | europe | down | 10001ms | — |
Track Klaviyo reliability
This isn't Klaviyo's first incident. They had 4 incidents in the last 180 days, averaging 17 minutes of impact.
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