Companies / Buildkite / incidents

Buildkite: Increased latency on REST and GraphQL APIs

Impact: majorStatus: resolvedStarted Resolved (58 min)4 updatesSource: stspg.io (opens in new tab)
Summary

Buildkite reported a major incident involving increased REST and GraphQL API latency for all customers, starting 2026-06-11 23:18 UTC and resolved 2026-06-12 00:16 UTC (57 min). Buildkite attributed the issue to elevated REST API service load and confirmed recovery after mitigation; the agent and stacks API were unaffected.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Affected components: Remote MCP ServerREST API - Remote MCP ServerREST APIREST API - REST API

Timeline of updates

  1. investigating

    We're observing increased latency for all our customers. We're currently investigating and will provide status updates as they become available.

  2. monitoring

    We've isolated the issue to elevated load on our REST API service and are working to mitigate. The agent and stacks API isn’t affected.

  3. monitoring

    We've isolated the issue to elevated load on our REST API service and have mitigated the issue. The agent and stacks API isn’t affected.

  4. resolved

    The mitigation applied before the last update had the intended effect, and we have seen recovery in REST API latency.

Rewindex changes for this incident

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Buildkite profile · Recent Buildkite incidents · Markdown · JSON