Let's Encrypt has been down most of today

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Let's Encrypt Status

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Active Incident<br>Updated a few seconds ago

Updated a few seconds ago

Support for Let's Encrypt services is community-based and information on current status and outages can be found at: https://community.letsencrypt.org

API Degraded PerformanceDegraded Performance

Incident Status

Degraded Performance

Components

acme-v02.api.letsencrypt.org (Production), portal.letsencrypt.org (Production)

Locations

High Assurance Datacenter 1, High Assurance Datacenter 2

June 18, 2026 23:59 UTC<br>INVESTIGATING

We are still investigating the issue with our upstream ISP.

June 18, 2026 19:40 UTC<br>INVESTIGATING

We are continuing to investigate degraded performance and elevated error rates.

June 18, 2026 16:35 UTC<br>INVESTIGATING

We have taken measures to stabilize API performance while we investigate networking issues between our two high assurance data centers.

June 18, 2026 16:04 UTC<br>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.

acme-v02.api.letsencrypt.org (Production)<br>High Assurance Datacenter 1 High Assurance Datacenter 2

Degraded Performance

acme-staging-v02.api.letsencrypt.org (Staging)<br>High Assurance Datacenter 1

Operational

portal.letsencrypt.org (Production)<br>High Assurance Datacenter 1 High Assurance Datacenter 2

Degraded Performance

portal-staging.letsencrypt.org (Staging)<br>High Assurance Datacenter 1

Operational

*.c.lencr.org (Production)<br>Public Data Center

Operational

stg-*.c.lencr.org (Staging)<br>Public Data Center

Operational

Website<br>Public Data Center

Operational

log.twig.ct.letsencrypt.org<br>Public Data Center

Operational

log.sycamore.ct.letsencrypt.org<br>Public Data Center

Operational

log.willow.ct.letsencrypt.org<br>Public Data Center

Operational

Status History

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status letsencrypt high assurance datacenter operational

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