Downrightnow
// Incident Post-MortemDRN-510755E4

SendGrid outage on June 14, 2026

Major severityResolved3h 1mEmail API
Started · UTC
Jun 14, 09:00 PM
6h ago
Resolved · UTC
Jun 15, 12:00 AM
3h ago
Duration
3h 1m
End-to-end
Peak confidence
80.00
75 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 14, 14:00 PDT Resolved - Twilio-Sendgrid mail delivery was degraded for approximately 16 minutes between 3:18 PM and 3:34 PM Pacific Time on 06/14/2026. 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 a 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.

  3. Peak confidence reached

    Confidence peaked at 80.00 while the service was marked Operational.

// 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 75 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 Mon, Jun 15, 2026, 12:00 AM UTC.