Let's Encrypt API OutageOperational

Components

acme-v02.api.letsencrypt.org (Production), acme-staging-v02.api.letsencrypt.org (Staging)

Locations

High Assurance Datacenter 1, High Assurance Datacenter 2


July 22, 2025 23:34 UTC
[Resolved] Services have recovered and are stable.

July 22, 2025 09:39 UTC
[Monitoring] Services have stabilized.

July 22, 2025 02:51 UTC
[Identified] We have deployed mitigations for the failure of our internal DNS servers. Issuance of certificates is now succeeding, though we are still recovering from the resulting high traffic volumes.

July 22, 2025 01:16 UTC
[Identified] Let's Encrypt is currently unavailable due to an outage of Let's Encrypt's internal DNS servers and subsequent cascading failures. We are taking corrective measures, and some issuance has resumed.

July 21, 2025 18:56 UTC
[Investigating] We are investigating an API outage.

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