Klaviyo — Outage
ResolvedDegradation HighApr 26, 2026, 06:36 AM · about 20 hours ago · Duration: 34min · Regions: asia
Detected by Probecast
Incident Summary
Incident Summary
API Klaviyo is currently DOWN in asia.
Diagnostic Details
Error Type: http HTTP Status: 503 Error Message: API returned HTTP 503
Validation Results
Validation Reason: DOWN in multiple regions: europe, us-east, us-west + asia Consecutive DOWN Checks: 2 Time Between Checks: 323s
Cross-Region Impact
Also DOWN in: europe, us-east, us-west Total Affected Regions: 4
Severity Assessment
Level: HIGH Multiple regions affected or critical error type detected.
Detected by Probecast Health Monitor - 2026-04-26T06:36:54.216Z
Timeline
Started
Apr 26, 2026, 06:36 AM
about 20 hours ago
Resolved
Apr 26, 2026, 07:11 AM
about 20 hours ago
Duration
34min
Evidence Logs(5 checks)
| Time | Region | Status | Latency | Code |
|---|---|---|---|---|
| Apr 26, 06:36 AM | asia | down | 615ms | 503 |
| Apr 26, 06:35 AM | us-west | down | 125ms | 503 |
| Apr 26, 06:35 AM | us-east | down | 125ms | 503 |
Track Klaviyo reliability
This isn't Klaviyo's first incident. They had 2 incidents in the last 180 days, averaging 35 minutes of impact.