[Network Wide] Arbitrum Mainnet & Arbitrum Based Rollups - Degraded Performance Across Multiple Regions

Incident Report for Alchemy

Resolved

The Arbitrum Mainnet degraded performance issue has been resolved!
Posted May 20, 2026 - 20:34 UTC

Monitoring

Arbitrum Mainnet nodes have stabilized. This was a network-wide issue affecting multiple providers, caused by instability with the Arbitrum relayer.

The Arbitrum team has addressed the issue on their end.

We are continuing to monitor but performance has returned to normal!
Posted May 20, 2026 - 20:20 UTC

Update

We are investigating an elevated rate of 503 and API errors affecting Arbitrum Mainnet.

This is a network wide incident and we're working closely with Arbitrum team to restore full service.

We will provide updates as more information becomes available!
Posted May 20, 2026 - 20:10 UTC

Investigating

We are currently investigating this issue.
Posted May 20, 2026 - 19:59 UTC
This incident affected: Arbitrum.