Resend experienced a minor incident on July 30, 2026 affecting Batch Emails and General API and 1 more component, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Jul 30, 2026, 09:58 AM UTC
Status: Identified Performance degradation when sending test emails from the resend.dev: http://resend.dev domain, which is causing the API to return a validation error stating that the domain is not verified. Affected components Dashboard (Operational) Email Events (Operational) SMTP (Operational) Broadcast Emails (Operational) General API (Degraded performance) Website (Operational) Automations (Operational) Batch Emails (Operational) Webhooks (Operational) Single Email (Operational)
- resolved Jul 30, 2026, 04:23 PM UTC
Status: Resolved We have resolved the underlying issue, and sending test emails from resend.dev: http://resend.dev has resumed. Affected components Dashboard (Operational) SMTP (Operational) Broadcast Emails (Operational) Batch Emails (Operational) General API (Operational) Website (Operational) Automations (Operational) Email Events (Operational) Webhooks (Operational) Single Email (Operational)