Clerk experienced a minor incident on March 20, 2026 affecting Webhooks and Email Delivery and 1 more component, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Mar 20, 2026, 09:52 AM UTC
Status: Investigating We're investigating intermittent errors affecting API requests. Some requests may experience elevated latency or failures. Affected components Webhooks (Degraded performance) B2B SaaS (Degraded performance) Email delivery (Degraded performance) SMS delivery (Degraded performance) User and authentication (Degraded performance) Billing (Degraded performance) Session management (Degraded performance) Machine authentication (Degraded performance) Account Portal (Degraded performance)
- monitoring Mar 20, 2026, 09:57 AM UTC
Status: Monitoring We've found the source of the performance issue and applied mitigations. Systems are stabilizing and we're still monitoring closely. We'll update again once we've confirmed full recovery. Affected components B2B SaaS (Operational) Email delivery (Operational) SMS delivery (Operational) Billing (Operational) Dashboard (Degraded performance) Machine authentication (Operational) Account Portal (Degraded performance) User and authentication (Degraded performance) Session management (Degraded performance) Webhooks (Operational)
- monitoring Mar 20, 2026, 10:08 AM UTC
Status: Monitoring Performance has stabilized after our earlier mitigations. We're continuing to monitor closely and will give a final update once we've confirmed full recovery. Affected components Billing (Operational) Dashboard (Degraded performance) Session management (Degraded performance) Machine authentication (Operational) B2B SaaS (Operational) Email delivery (Operational) User and authentication (Degraded performance) Account Portal (Degraded performance) Webhooks (Operational) SMS delivery (Operational)
- resolved Mar 20, 2026, 11:03 AM UTC
Status: Resolved The root cause was a DDoS attack against our infrastructure. It has been fully mitigated and all systems are back to normal. Affected components B2B SaaS (Operational) Email delivery (Operational) SMS delivery (Operational) User and authentication (Operational) Session management (Operational) Webhooks (Operational) Billing (Operational) Dashboard (Operational) Machine authentication (Operational) Account Portal (Operational)