Downrightnow
// Incident Post-MortemDRN-61A13451

SendGrid outage on June 11, 2026

Major severityResolved3h 1mEmail API
Started · UTC
Jun 11, 05:05 PM
46h ago
Resolved · UTC
Jun 11, 08:06 PM
43h ago
Duration
3h 1m
End-to-end
Peak confidence
80.00
0 snapshots
// User impact

SendGrid users likely saw failed connections, degraded availability, or session instability for this Email API service. The incident reached Major severity and lasted 3h 1m. The stored report window does not show a preserved user-report spike.

// What happened

Jun 11, 10:05 PDT Resolved - Twilio-Sengrid mail delivery was degraded for approximately 9 minutes between 9:18 AM and 9:27AM Pacific Time on 06/11/2026. During this period of time customers may have experienced delays affecting a subset of users. User experience was degraded with delayed mail delivery during this window, though the scope was limited to affected users rather than system-wide outage. The issue has now been resolved.

Deterministic readout · awaiting AI summary pass

// Timeline
  1. Incident detected

    Major confidence crossed the incident threshold for SendGrid: retroactive Incident: Mail Delivery Delay to a Small Subset of Users.

  2. Marked resolved

    The incident was closed after 3h 1m of observed impact.

// Signals by source0 sources

No per-source signal payloads were preserved in this incident's snapshot window.

// Aggregate evidence

Confidence scoring

80.00

The incident reached 80.00 peak confidence across available stored status snapshots.

User reports

0 / 15m

No elevated user-report volume was preserved in the incident window snapshots.

Status samples

0 affected

The incident row exists, but the bounded snapshot window does not include affected status samples.

Recovery signal

Resolved

Recovery was recorded at Thu, Jun 11, 2026, 08:06 PM UTC.