Resend incident: Contact webhook delivery backlog

1. resolvedAug 1, 2026, 00:00 UTC

   The backlog is gone, and all delayed contact webhooks have been delivered. Delivery latency has now recovered. The new infrastructure configurations prevent this same issue from happening again.

2. monitoringJul 31, 2026, 02:00 UTC

   We are still noticing increased latency in contact-related webhook deliveries. Events can be delayed by up to 8 hours before being delivered. We have identified the issue and implemented infrastructure changes to process the backlog faster.

3. investigatingJul 30, 2026, 00:00 UTC

   We are currently investigating increased latency in contact-related webhook deliveries. At this time, you may experience delays in receiving contact events on your webhook endpoints.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Resend's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Twilio: SMS Delivery Delays and Failures from Twilio to Metfone CambodiaMinor · Jul 29, 2026, 00:06 UTC
• Twilio: SMS Delivery Receipt Delays from Twilio to Liberty Mobile Puerto RicoMinor · Jul 29, 2026, 19:53 UTC
• Twilio: SMS Delivery Delays and Failures from Twilio to Unitel AngolaMinor · Jul 29, 2026, 22:49 UTC
• Supabase: Management API Performance DegradationMinor · Jul 31, 2026, 18:36 UTC

How often does Resend have incidents?

Resend reported 23 incidents in the last 90 days, 6 of them major or critical. A typical incident lasted 43 min. See Resend's uptime and incident history