Current answer
Buildkite experienced a minor incident: Small number of incoming GitHub Webhook failing. ServiceAlert observed recovery on Oct 1, 2026.
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Incident Lifecycle
Affected Components
GitHub Webhooks
Incident Timeline
Monitoring
The mitigation is rolling out and we are seeing recovery. We will continue to monitor and provide an update.
Oct 1, 2026 at 6:33 AM UTC
Identified
Since 2026-09-30 20:52:36 UTC on 30 September, small amount of incoming GitHub webhook deliveries to Buildkite pipelines are being rejected, so the related builds are not created.
For people who use GitHub.com may affect ability to receive status checks. We have identified the cause and are deploying a mitigation. This does not affect GitHub Enterprise Server and other SCM providers.
For people who use GitHub.com may affect ability to receive status checks. We have identified the cause and are deploying a mitigation. This does not affect GitHub Enterprise Server and other SCM providers.
Oct 1, 2026 at 6:10 AM UTC
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