Arbitrum Mainnet - Elevated 503 Errors

Incident Report for Quicknode

Resolved

This incident has been resolved.
Posted Aug 21, 2026 - 17:34 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Aug 21, 2026 - 15:33 UTC

Investigating

We are investigating the degradation of Arbitrum Mainnet archive requests. Users may experience elevated latenc, 503 responses, and API errors during this time.
Posted Aug 21, 2026 - 10:30 UTC
This incident affected: Arbitrum (Mainnet Classic — JSON-RPC API, Mainnet Classic — WebSocket API).
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