Isitreallydown?
// Incident Post-MortemDRN-3D071AC7

SendGrid outage on May 6, 2026

Minor severityResolved45 minEmail API
Started · UTC
May 06, 11:22 PM
6d ago
Resolved · UTC
May 07, 12:07 AM
6d ago
Duration
45 min
End-to-end
Peak confidence
25.00
17 snapshots
// What happened

May 6, 16:22 PDTResolved - Our engineers have monitored the fix and confirmed the issue with Twilio SendGrid invoices and the tax amounts has been resolved. All services are now operating normally at this time.May 6, 15:04 PDTMonitoring - Our engineers have implemented a fix and are monitoring system performance. We have resolved the tax calculation issue, and customer invoices have been corrected with the appropriate tax amounts. If you were overcharged, your refund will be automatically processed to your card on file within 7–10 business days. If you were undercharged, the corrected tax bala

Deterministic readout · awaiting AI summary pass

// Timeline
  1. Status changed to Operational

    The stored readout moved to Operational with confidence 55.00.

  2. Incident detected

    Minor confidence crossed the incident threshold for Incorrect Tax Amount in Invoices.

  3. Marked resolved

    The incident was closed after 45 min of observed impact.

  4. Peak confidence reached

    Confidence peaked at 55.00 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

25.00

The incident reached 25.00 peak confidence across 17 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, May 07, 2026, 12:07 AM UTC.

// User impact

SendGrid users likely saw failed connections, degraded availability, or session instability for this Email API service. The incident reached Minor severity and lasted 45 min. The stored report window does not show a preserved user-report spike.