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GitHub Investigating Critical Performance Degradation Across Multiple Services

GitHub.com experiencing degraded performance affecting API Requests, Actions, and Webhooks.

By The Downtime · Aug 17, 2026 · 1:45 PM ·Updated 5 days ago

GitHub is investigating reports of impacted performance across several of its core services. The company reports that API Requests, Actions, and Webhooks are all experiencing degraded performance. The incident is currently classified as critical and remains under investigation.

GitHub is a widely-used platform where developers host, manage, and collaborate on code repositories. It serves millions of developers and organizations globally.

The company began investigating the performance issues and subsequently identified degradation across the three affected services. GitHub has not yet provided details on the cause or scope of the incident.

This is a developing story. The Downtime will continue monitoring the situation and update as more information becomes available.

🕒 Live updates (36)

resolved Aug 17, 9:15 PM

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.

investigating Aug 17, 8:45 PM

We are continuing to apply mitigations to address sporadic Copilot authentication failures in some applications. We expect full recovery within the next 30 minutes. Copilot usage via the GitHub CLI and GitHub App are unaffected.

investigating Aug 17, 8:22 PM

Issues is operating normally.

investigating Aug 17, 8:08 PM

We are continuing to investigate sporadic failures affecting Copilot authentication in some applications. Copilot usage via the GitHub CLI and GitHub App are unaffected.

investigating Aug 17, 7:13 PM

We are continuing to investigate sporadic authentication failures. We have partially disabled authentication token retries and have seen improvement, and we are monitoring impact before fully applying this mitigation.

investigating Aug 17, 7:01 PM

API Requests is operating normally.

investigating Aug 17, 6:48 PM

API Requests is experiencing degraded availability. We are continuing to investigate.

investigating Aug 17, 6:23 PM

The degradation affecting Git Operations has been mitigated. We are monitoring to ensure stability.

investigating Aug 17, 6:11 PM

We identified the problematic component and have taken corrective actions, but we are seeing residual impact in the form of sporadic authentication failures. We are continuing to apply additional mitigations and investigate the remaining impact.

investigating Aug 17, 5:36 PM

Issues is experiencing degraded performance. We are continuing to investigate.

investigating Aug 17, 5:34 PM

We identified the problematic component and have taken corrective actions, but we are seeing residual impact across numerous services. We are continuing to apply additional mitigations and investigate the remaining impact.

investigating Aug 17, 5:30 PM

Git Operations is experiencing degraded performance. We are continuing to investigate.

investigating Aug 17, 4:59 PM

The degradation affecting API Requests, Actions, Git Operations, Issues, Pages, Pull Requests and Webhooks has been mitigated. We are monitoring to ensure stability.

investigating Aug 17, 4:36 PM

We identified the problematic component and have taken corrective actions. There are strong signs of recovery but we are still working to completely restore service, with error rates still remaining slightly elevated. We will post further updates as recovery continues.

investigating Aug 17, 4:16 PM

We are experiencing high error rates around 20% for web experiences and api traffic. Archive downloads and raw repository content downloads are experiencing an approximate 50% error rate. SAML and OIDC authentication, SCIM, and Team Sync are also impacted. We are still working to identify the root cause and will continue to post updates as we learn more and perform mitigation.

investigating Aug 17, 3:42 PM

We are experiencing high error rates around 20% for web experiences and api traffic. Archive downloads and raw repository content downloads are experiencing an approximate 50% error rate. SAML and OIDC authentication, SCIM, and Team Sync are also impacted. We are currently performing mitigations and will post updates as we progress.

investigating Aug 17, 3:40 PM

Webhooks is experiencing degraded performance. We are continuing to investigate.

investigating Aug 17, 3:21 PM

Git Operations is experiencing degraded performance. We are continuing to investigate.

investigating Aug 17, 3:10 PM

Pages is experiencing degraded performance. We are continuing to investigate.

investigating Aug 17, 3:01 PM

API Requests is experiencing degraded availability. We are continuing to investigate.

investigating Aug 17, 2:58 PM

Webhooks is experiencing degraded availability. We are continuing to investigate.

investigating Aug 17, 2:58 PM

We are experiencing high error rates around 20% for web experiences and api traffic. Archive downloads and raw repository content downloads are experiencing an approximate 50% error rate. SAML and OIDC authentication, SCIM, and Team Sync are also impacted. We are currently performing mitigations based on our investigation thus far and are monitoring for improvement.

investigating Aug 17, 2:58 PM

Actions is experiencing degraded availability. We are continuing to investigate.

investigating Aug 17, 2:54 PM

Pull Requests is experiencing degraded availability. We are continuing to investigate.

investigating Aug 17, 2:49 PM

Issues is experiencing degraded availability. We are continuing to investigate.

investigating Aug 17, 2:45 PM

Pull Requests is experiencing degraded availability. We are continuing to investigate.

investigating Aug 17, 2:31 PM

Copilot is experiencing degraded availability. We are continuing to investigate.

investigating Aug 17, 2:24 PM

We are experiencing high error rates around 20% for web experiences and api traffic. Archive downloads and raw repository content downloads are experiencing an approximate 50% error rate. SAML and OIDC authentication, SCIM, and Team Sync are also impacted. Investigations are on-going and we will continue to provide updates as we discover more information.

investigating Aug 17, 2:04 PM

We are experiencing high error rates around 20% for web experiences and api traffic. Archive downloads and raw repository content downloads are experiencing an approximate 50% error rate. Investigations are on-going into the root cause, and updates will continue to be provided as we investigate.

investigating Aug 17, 1:58 PM

Pull Requests is experiencing degraded performance. We are continuing to investigate.

investigating Aug 17, 1:46 PM

Issues is experiencing degraded performance. We are continuing to investigate.

investigating Aug 17, 1:45 PM

We are seeing an approximate 20% error rate across numerous experiences including Pull Requests, Issues, and others. Investigations are currently under way and we will be posting updates as they become available

investigating Aug 17, 1:44 PM

Webhooks is experiencing degraded performance. We are continuing to investigate.

investigating Aug 17, 1:42 PM

Actions is experiencing degraded performance. We are continuing to investigate.

investigating Aug 17, 1:41 PM

API Requests is experiencing degraded performance. We are continuing to investigate.

investigating Aug 17, 1:40 PM

We are investigating reports of impacted performance for some GitHub services.

📎 Sources

Outage details are aggregated from official provider status pages. The Downtime reports them as a public service and is not affiliated with the providers named.

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