QuickNode experienced a minor incident on June 3, 2026 affecting Mainnet — JSON-RPC API and Mainnet — Websockets API, lasting 4h 59m. The incident has been resolved; the full update timeline is below.
Affected components
Mainnet — JSON-RPC APIMainnet — Websockets API
Update timeline
- investigating Jun 03, 2026, 03:23 PM UTC
The QuickNode team is investigating the degraded performance of Starknet Mainnet - Users may experience elevated 503 errors and increased latency. We will update this page as we acquire new information.
- identified Jun 03, 2026, 04:54 PM UTC
We have identified the issue affecting Starknet Mainnet performance. Our team is working closely with the Starknet Foundation to resolve the issue. We will continue to provide updates as the situation progresses.
- monitoring Jun 03, 2026, 06:56 PM UTC
A fix has been applied and we are monitoring the service for stability.
- resolved Jun 03, 2026, 08:22 PM UTC
This incident has been resolved.