Klaviyo — Outage
OngoingDegradation - HighMay 5, 2026, 09:16 PM · about 2 hours ago · Regions: us-west, europe, us-east, asia
Detected by Probecast
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 hours ago
Duration
Ongoing
Evidence Logs(5 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 2 incidents in the last 180 days, averaging 35 minutes of impact.