ZeroSSL Outage History

ZeroSSL had 3 outages in the last 2 years totaling 25m of downtime — averaging 0.1 incidents per month.

There were 3 ZeroSSL outages since April 29, 2026 totaling 25m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.zerossl.com

Major June 17, 2026

Service outage: Free ACME Service

Detected by Pingoru: Jun 17, 2026, 06:15 PM UTC
Resolved: Jun 17, 2026, 06:22 PM UTC
Duration: 7m

Affected: Free ACME Service

Timeline · 1 update

investigating Apr 30, 2026, 10:43 PM UTC

Free ACME Service is currently reporting major outage.

Read the full incident report →

Major June 14, 2026

Service outage: Certificate Issuance

Detected by Pingoru: Jun 14, 2026, 12:02 AM UTC
Resolved: Jun 14, 2026, 12:12 AM UTC
Duration: 9m

Affected: Certificate Issuance

Timeline · 1 update

investigating Apr 29, 2026, 04:05 PM UTC

Certificate Issuance is currently reporting major outage.

Read the full incident report →

Major April 29, 2026

Service outage: REST API

Detected by Pingoru: Apr 29, 2026, 06:10 PM UTC
Resolved: Apr 29, 2026, 06:19 PM UTC
Duration: 8m

Affected: REST API

Timeline · 1 update

investigating Apr 29, 2026, 04:05 PM UTC

REST API is currently reporting major outage.

Read the full incident report →