Chainstack incident

Degraded performance on Arbitrum Sepolia in Tokyo

Minor Resolved

Chainstack experienced a minor incident on October 9, 2026 affecting Arbitrum Global Nodes (Arbitrum Sepolia), lasting 48m. The incident has been resolved; the full update timeline is below.

Started
Oct 09, 2026, 03:49 AM UTC
Resolved
Oct 09, 2026, 04:37 AM UTC
Duration
48m
Detected by Pingoru
Oct 09, 2026, 03:49 AM UTC

Affected components

Arbitrum Global Nodes (Arbitrum Sepolia)

Update timeline

  1. investigating Oct 09, 2026, 03:49 AM UTC

    We are investigating an issue affecting Arbitrum Sepolia in Tokyo. Some users may experience delayed or stale data.

  2. resolved Oct 09, 2026, 04:37 AM UTC

    We are continuing to work on a fix for this incident.