QuickNode experienced a notice incident on March 22, 2026 affecting Sepolia — JSON-RPC API and Sepolia — Websockets API and 1 more component, lasting 12h 4m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Mar 22, 2026, 05:40 AM UTC
We are investigating intermittent 503 errors affecting the Ethereum Sepolia Testnet. Some customers may experience temporary request failures or degraded performance. Our team is actively working to mitigate the issue and restore full service stability. We will provide an update as more information becomes available.
- identified Mar 22, 2026, 06:19 AM UTC
Quicknode teams have identified the issue and are actively working to restore nodes. The next update will be provided before 08:00 AM UTC or sooner.
- monitoring Mar 22, 2026, 08:03 AM UTC
Some nodes have recovered, and 503s have been mitigated. Quicknode teams are continuing to work to recover full capacity and monitor performance to ensure stability. We will provide the next update before 14:00 UTC or sooner.
- resolved Mar 22, 2026, 05:45 PM UTC
This incident has now been resolved, and nodes have recovered.