503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

GitHub outage — June 10, 2026

Incident with Webhooks

GitHub’s API & Webhooks was disrupted for 34d 2h on June 10, 2026.

Key facts

DetectedJune 10, 2026 · 15:27 UTC
Confirmed15:27 UTC
Resolved18:04 UTC
Duration34d 2h
ServiceAPI & Webhooks

Timeline

  1. 15:27Z

    Detected · Official

    Reported directly on GITHUB's official status page — no earlier independent (crowd / dependency / measurement) signal.
  2. 18:04Z

    Resolved

    Signal volume fell back below the threshold; the event was closed.

How this was detected

1 independent evidence class for api on GITHUB. 2 crowd reports across bluesky (single platform — not corroborating), z=-0.4σ vs the cell baseline. Official notice confirms it.