Arbitrum Mainnet - Sporadic API Errors

Incident Report for Quicknode

Resolved

This incident has been resolved.

Posted May 07, 2026 - 21:22 UTC

Monitoring

A fix has been implemented and we are monitoring the results.

Posted May 07, 2026 - 17:23 UTC

Investigating

The Quicknode team is investigating sporadic API errors being served on Arbitrum Mainnet - we will update this page as we acquire new information. Users may experience sporadic 503 errors at this time.

Posted May 07, 2026 - 14:37 UTC

This incident affected: Arbitrum (Mainnet Nitro — JSON-RPC API, Mainnet Nitro — WebSocket API, Mainnet Classic — JSON-RPC API, Mainnet Classic — WebSocket API).