GitHub outage — July 27, 2026
Incident with GraphQL API Requests
GitHub’s API & Webhooks was disrupted for 1h 36m on July 27, 2026. 503Radar’s sensors raised the first signal at 02:43 UTC, 1h 14m before the official status page acknowledged impact.
Key facts
| Detected | July 27, 2026 · 02:43 UTC |
| Confirmed | 03:58 UTC · lead time 1h 14m |
| Resolved | 04:19 UTC |
| Duration | 1h 36m |
| Service | API & Webhooks |
| Official record | https://stspg.io/vr201n49yl53 |
Timeline
- 02:43Z
Detected · Signal
2 crowd signals for API & Webhooks on GITHUB crossed the signal threshold. - 03:58Z
Confirmed · Official
An official GITHUB status-page notice corroborated the event — 1h 14m after detection. - 04:19Z
Resolved
Signal volume fell back below the threshold; the event was closed.
What people reported
“If your AI stack throws raw tokens at an LLM praying the JSON doesn't hallucinate, your cloud bill is a ticking time bomb. We use stateless Azure, Upstash Redi”bluesky_jetstream · 02:39 UTC
“ℹ️ Minor incident: GitHub GraphQL API requests are experiencing degraded performance. Monitor this incident at https://watchrr.app/service/github”bluesky_jetstream · 03:54 UTC
How this was detected
1 independent evidence class for api on GITHUB. 2 crowd reports across bluesky (single platform — not corroborating), z=+1.3σ vs the cell baseline. Official notice confirms it, 1h 14m after the crowd.