Arbitrum Mainnet: Elevated 503 Errors in NRT region

Incident Report for Quicknode

Resolved

This incident has been resolved.

Posted Oct 11, 2025 - 01:46 UTC

Monitoring

Service has recovered, and Arbitrum Mainnet nodes in NRT region have remained healthy and maintaining tip data.

We are continuing to monitor the network closely to ensure stability and will provide a final update once confirmed fully resolved.

Posted Oct 11, 2025 - 00:52 UTC

Investigating

We’re currently looking into elevated 503 responses affecting Arbitrum Mainnet in the NRT region. This issue may impact RPC requests, WebSocket streams, and associated API calls. Our engineering team is actively investigating the root cause.

Updates will be provided as soon as more information becomes available.

Posted Oct 10, 2025 - 23:30 UTC

This incident affected: Arbitrum (Arbitrum - Mainnet Nitro, Arbitrum - Mainnet Classic).