QuickNode incident

Arbitrum Sepolia - Elevated 503 Errors

Resolved after 12 hours 11 minutes, affecting Arbitrum - Sepolia and Sepolia - WebSocket API and 1 more, on July 25, 2026.

monitoring Jul 25, 2026, 08:25 PM UTC

The elevated 503 errors on Arbitrum Sepolia have been resolved. We are monitoring the service for stability and will provide further updates if the issue recurs.

Started
Jul 25, 2026, 05:58 PM UTC
Resolved
Jul 26, 2026, 06:09 AM UTC
Duration
12h 11m
Detected by Pingoru
Jul 25, 2026, 05:58 PM UTC

Affected components

Arbitrum - SepoliaSepolia - WebSocket APISepolia — WebhooksSepolia — Streams

Update timeline

  1. investigating Jul 25, 2026, 05:58 PM UTC

    We're experiencing an elevated level of 503 errors and our team is currently investigating. We will update this page as more information becomes available.

  2. monitoring Jul 25, 2026, 08:25 PM UTC

    The elevated 503 errors on Arbitrum Sepolia have been resolved. We are monitoring the service for stability and will provide further updates if the issue recurs.

  3. resolved Jul 26, 2026, 06:09 AM UTC

    This incident has been resolved.

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