Outages

Let's Encrypt ACME API operating with reduced redundancy

2026-06-22 digest developing

  • Category: Outage
  • Status: developing
  • Sources: Let's Encrypt status
  • Summary: The production ACME endpoint (acme-v02.api.letsencrypt.org) is operating normally but still with reduced redundancy following an upstream network event on 2026-06-18. The latest status update (2026-06-19 04:45 UTC) says Let's Encrypt continues working with its upstream ISP to identify and resolve the issue; the incident is not fully closed.
  • Why it matters: Reduced redundancy on the largest public CA raises the risk of renewal errors if a second upstream event hits.
  • Follow-up: Watch for full redundancy restoration and any post-incident note.

Send feedback on this story