Buildkite outage, 22 September 2026
Issues with webhook ingestion, GraphQL queries
- Started
- Resolved
- 22 Sept 2026, 20:50 UTC (after 42 min)
- Impact
- Major
Last update from Buildkite
## Service Impact On September 22, 2026, between 19:09 and 19:32 UTC, customers experienced failures ingesting webhooks and executing GraphQL queries. Some web application requests also failed or timed out. During this period, 2.0% of requests to our webhook ingestion endpoints and 20.3% of requests to our external GraphQL endpoint returned HTTP 500 errors. Webhook ingestion errors ceased by 19:30 UTC, and external GraphQL errors returned to background levels by 19:32 UTC. ## Incident Summary While investigating a separate API performance issue, we made a manual configuration change intended to rollback a routing change for one database proxy. The command instead changed the routing con...
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