Elevated latency for some API requests

Updates timeline

1. Identified Sep 30, 05:05 PM UTC

   We have identified that users are experiencing elevated latency for the impacted services. We are working on implementing a mitigation.

2. Identified Sep 30, 05:13 PM UTC

   We have identified that users are experiencing elevated latency for the impacted services. We are working on implementing a mitigation.

3. Identified Sep 30, 05:51 PM UTC

   We have implemented an initial mitigation and are seeing improvements in API latency. We are continuing to investigate the scope of the issue and apply additional mitigations as needed. Some requests to the Responses and Chat Completions APIs may still experience elevated latency or timeouts.

4. Monitoring Sep 30, 06:21 PM UTC

   We have applied the mitigation and are monitoring the recovery.

5. Resolved Sep 30, 08:35 PM UTC

   All impacted services have now fully recovered.