Outage in QuickNode
Arbitrum Mainnet - Block Sync Issue
Resolved MinorIncident Report
We are currently experiencing an issue with our Arbitrum mainnet infrastructure stuck at block 436,172,925. Customers may be unable to query the latest blocks or experience delays in transaction confirmations. Our engineering team is actively working to resolve the sync issue and will provide the next update by 3PM UTC or sooner.
Components affected
QuickNode Mainnet Archive - JSON-RPC API QuickNode Mainnet Archive - Websockets APINeed to monitor QuickNode outages?
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Latest Updates ( sorted recent to last )
RESOLVED
3 days ago - at 02/26/2026 07:27PM
This incident has been resolved.
MONITORING
4 days ago - at 02/26/2026 01:54PM
After investigation, the block sync issue at block 436,172,925 has been isolated to specific nodes. Service should now be operational for all customers. We are continuing to monitor for stability.
INVESTIGATING
4 days ago - at 02/26/2026 01:46PM
We are currently experiencing an issue with our Arbitrum mainnet infrastructure stuck at block 436,172,925. Customers may be unable to query the latest blocks or experience delays in transaction confirmations. Our engineering team is actively working to resolve the sync issue and will provide the next update by 3PM UTC or sooner.
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