Is Let's Encrypt down?
Last checked 1m agoNo incidents right now.
Let's Encrypt is operational right now. Last checked 1m ago; the most recent incident resolved 4d ago.
Real-time Let's Encrypt status, recent outages, and incident history: pulled directly from Let's Encrypt's official status page at letsencrypt.status.io every 5 minutes. Pingoru tracks 22 Let's Encrypt services and has captured 8 incidents in the last 90 days (99.44% uptime). Get email, Slack, Discord, or webhook alerts the moment Let's Encrypt reports a new incident, free for 3 monitors, no credit card.
Recent outages & incidents
Past 90 days- acme-v02.api.letsencrypt.org (Production)acme-staging-v02.api.letsencrypt.org (Staging)portal.letsencrypt.org (Production) — High Assurance Datacenter 2portal-staging.letsencrypt.org (Staging) — High Assurance Datacenter 1
Timeline · 5 updates
- investigating · Oct 20, 2026, 12:28 AM UTC
We're seeing elevated rates of validation failures that shouldn't be happening. We're investigating, and expect to resolve the issue soon. Back to current status Status History Powered by Status.io Subscribe to receive status updates by email Close Subscribe Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates in Microsoft Teams Enter your Microsoft Teams webhook. View Instructions Email address for managing subscription Close Subscribe Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates via RSS RSS Feed Close Subscribe to receive status updates in Slack Slack channel ID Find the channel ID: Select the channel in your Slack workspace. The channel ID is displayed in the browser URL. Example: https://app.slack.com/client/T04SJBK1C/ C03SKGJ1P Email address Close Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates via iCalendar iCalendar Feed Close
- investigating · Oct 20, 2026, 12:28 AM UTC
We're seeing elevated rates of validation failures that shouldn't be happening. We're investigating, and expect to resolve the issue soon.
- identified · Oct 20, 2026, 12:41 AM UTC
We've identified the problem that's affecting issuance success rates, and expect to solve it within the next few minutes.
- identified · Oct 20, 2026, 12:41 AM UTC
We've identified the problem that's affecting issuance success rates, and expect to solve it within the next few minutes.
- resolved · Oct 20, 2026, 12:54 AM UTC
We've resolved the issue that was causing validation failures in the staging and production environments. Issuance is back to normal.
Latest: We've resolved the issue that was causing validation failures in the staging and production environments. Issuance is back to normal.
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- acme-v02.api.letsencrypt.org (Production)portal.letsencrypt.org (Production) — High Assurance Datacenter 2portal-staging.letsencrypt.org (Staging) — High Assurance Datacenter 1
Timeline · 5 updates
- identified · Oct 12, 2026, 05:38 PM UTC
We've identified an issue that's disrupting certificate issuance in production. We're working on it, and expect to resolve it quickly. Back to current status Status History Powered by Status.io Subscribe to receive status updates by email Close Subscribe Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates in Microsoft Teams Enter your Microsoft Teams webhook. View Instructions Email address for managing subscription Close Subscribe Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates via RSS RSS Feed Close Subscribe to receive status updates in Slack Slack channel ID Find the channel ID: Select the channel in your Slack workspace. The channel ID is displayed in the browser URL. Example: https://app.slack.com/client/T04SJBK1C/ C03SKGJ1P Email address Close Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates via iCalendar iCalendar Feed Close
- identified · Oct 12, 2026, 05:38 PM UTC
We've identified an issue that's disrupting certificate issuance in production. We're working on it, and expect to resolve it quickly.
- monitoring · Oct 12, 2026, 05:47 PM UTC
Issuance is back to normal. We're closely monitoring our service, and will continue to investigate and fix the cause of this disruption.
- monitoring · Oct 12, 2026, 05:47 PM UTC
Issuance is back to normal. We're closely monitoring our service, and will continue to investigate and fix the cause of this disruption.
- resolved · Oct 12, 2026, 11:36 PM UTC
We've resolved the issuance disruption.
Latest: We've resolved the issuance disruption.
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- acme-v02.api.letsencrypt.org (Production)acme-staging-v02.api.letsencrypt.org (Staging)portal.letsencrypt.org (Production) — High Assurance Datacenter 2portal-staging.letsencrypt.org (Staging) — High Assurance Datacenter 1
Timeline · 5 updates
- investigating · Sep 11, 2026, 01:40 AM UTC
Let's Encrypt is investigating elevated failure rates for Domain Control Validation over the last hour, which may prevent subscribers from obtaining certificates. Back to current status Status History Powered by Status.io Subscribe to receive status updates by email Close Subscribe Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates in Microsoft Teams Enter your Microsoft Teams webhook. View Instructions Email address for managing subscription Close Subscribe Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates via RSS RSS Feed Close Subscribe to receive status updates in Slack Slack channel ID Find the channel ID: Select the channel in your Slack workspace. The channel ID is displayed in the browser URL. Example: https://app.slack.com/client/T04SJBK1C/ C03SKGJ1P Email address Close Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates via iCalendar iCalendar Feed Close
- investigating · Sep 11, 2026, 01:40 AM UTC
Let's Encrypt is investigating elevated failure rates for Domain Control Validation over the last hour, which may prevent subscribers from obtaining certificates.
- identified · Sep 11, 2026, 02:11 AM UTC
We have identified an issue with our DNS resolver in our secondary validation. The change is being reverted, and we expect to be operational within 15 minutes.
- identified · Sep 11, 2026, 02:11 AM UTC
We have identified an issue with our DNS resolver in our secondary validation. The change is being reverted, and we expect to be operational within 15 minutes.
- resolved · Sep 11, 2026, 02:39 AM UTC
The incident has been resolved. Validations are succeeding.
Latest: The incident has been resolved. Validations are succeeding.
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Incident record
Since April 2026 · Status.io · 22 components checked every 5 minutesThe longest incident in the last year, API Degraded Performance on June 18, 2026, ran for 34 days. 11 maintenance windows announced in the same period.
Most affected components, last 12 months
- acme-v02.api.letsencrypt.org (Production)6
- portal.letsencrypt.org (Production) — High Assurance Datacenter 26
- portal-staging.letsencrypt.org (Staging) — High Assurance Datacenter 15
- acme-staging-v02.api.letsencrypt.org (Staging)3
- portal.letsencrypt.org (Production)3
Latest incidents
- Issuance disruption
We're seeing elevated rates of validation failures that shouldn't be happening. We're investigating, and expect to resolve the issue soon. Back to current…
- Issuance disruption
We've identified an issue that's disrupting certificate issuance in production. We're working on it, and expect to resolve it quickly. Back to current status…
- High Domain Control Validation failure rate
Let's Encrypt is investigating elevated failure rates for Domain Control Validation over the last hour, which may prevent subscribers from obtaining…
- Issuance disruption ResolvedStarted Oct 20, 2026, 12:28 AM UTC · Resolved Oct 20, 2026, 12:54 AM UTC · 25m
- Issuance disruption ResolvedStarted Oct 12, 2026, 05:38 PM UTC · Resolved Oct 12, 2026, 11:36 PM UTC · 5h 57m
- Started Sep 11, 2026, 01:40 AM UTC · Resolved Sep 11, 2026, 02:39 AM UTC · 58m