GitHub reports multiple service issues

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.

As of 23:46 UTC, the REST API service is reachable and responding to requests normally.

The degradation affecting API Requests has been mitigated. We are monitoring to ensure stability.

We are continuing to investigate an issue causing approximately 35% of REST API requests to fail.  Based on our current understanding, requests are not consistently reaching the application layer, resulting in failed requests returning HTML responses instead of the expected API response format. We are actively investigating the issue and will provide another update as soon as more information is available.

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

We are aware of degraded REST API availability and are investigating

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

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.

We are experiencing degraded availability for the Claude Fable 5 model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider. While we work with them to resolve the issue, we recommend choosing another model or selecting 'Auto' to continue using Copilot.

We are investigating reports of degraded performance for Copilot AI Model Providers