Resend incident: API instability

1. resolvedAug 16, 2026, 12:57 UTC

   API became unstable from 12:54 to 12:57 UTC, returning 5xx for approximately 7% of the requests. We have resolved the underlying issue and service has been resumed.

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.

• Elasticsearch: Increased error rates for microsoft-multilingual-e5-largeMajor · Aug 13, 2026, 08:32 UTC
• Elasticsearch: Elasticsearch 9.5.1: false-positive matches in certain boolean queriesMajor · Aug 14, 2026, 09:22 UTC
• Akamai: Connection drops and increased latency in MiamiMinor · Aug 13, 2026, 19:31 UTC
• Supabase: 401 errors due to JWT rejectionsMinor · Aug 14, 2026, 02:23 UTC
• HashiCorp Vault: Delayed HCP Terraform RunsMinor · Aug 15, 2026, 17:08 UTC
• Shippo: USPS Rating – Degraded PerformanceMinor · Aug 16, 2026, 12:50 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