QuickNode incident
Mantle Sepolia Network Stalled at Block 40763249
QuickNode experienced a notice incident on July 3, 2026 affecting Sepolia — JSON-RPC API and Sepolia — Websockets API and 1 more component, lasting 36m. The incident has been resolved; the full update timeline is below.
Affected components
Sepolia — JSON-RPC APISepolia — Websockets APISepolia — StreamsSepolia — Webhooks
Update timeline
- investigating Jul 03, 2026, 09:54 AM UTC
Mantle Sepolia appears to have stalled at block 40763249. The QuickNode team is investigating and has notified the Mantle Foundation. We will update this page as we acquire new information.
- resolved Jul 03, 2026, 10:30 AM UTC
The Mantle Sepolia network stall has been resolved. Block production has resumed and the network is operating normally. We will continue to monitor for stability.