Let's Encrypt

Certificate Authority

Website

Resolving…

Description

Let's Encrypt is a free, automated, and open certificate authority run by the Internet Security Research Group (ISRG). It provides free SSL/TLS certificates to enable encrypted HTTPS on websites, making web security accessible to everyone. It's one of the most widely used certificate authorities globally.

Status Page

https://letsencrypt.status.io

Active Incidents

Last refresh: 2026-06-27 11:16 UTC (24m ago)

API Degraded Performance

Investigating

June 18, 2026 16:04 UTC Investigating - Let's Encrypt's production API is experiencing degraded performance. Some clients may encounter 400 and 500 error responses. Most clients are still succeeding. June 18, 2026 16:35 UTC Investigating - We re-routed traffic to bring success rates back to normal after an upstream network event disrupted traffic between two datacenters. June 19, 2026 04:45 UTC...

Incident

Location: —

Started: 2026-06-19 04:45 UTC (8d ago)

Updated: 2026-06-19 04:45 UTC (8d ago)

Resolved: N/A

2026-06-18 16:04 UTC (8d ago) : June 18, 2026 16:04 UTC Investigating - Let's Encrypt's production API is experiencing degraded performance. Clients may encounter 400 and 500 error responses. We are actively investigating the issue.