Base incident

Sepolia flashblocks websocket endpoint rate limiting

Major Resolved View vendor source →

Base experienced a major incident on May 16, 2025 affecting Flashblocks, lasting 2h 6m. The incident has been resolved; the full update timeline is below.

Started
May 16, 2025, 10:16 PM UTC
Resolved
May 17, 2025, 12:23 AM UTC
Duration
2h 6m
Detected by Pingoru
May 16, 2025, 10:16 PM UTC

Affected components

Flashblocks

Update timeline

  1. investigating May 16, 2025, 10:16 PM UTC

    Confirmed reports that wss://sepolia.flashblocks.base.org/ws is returning 429 (Too many requests) or 404 (Not Found), we're aware and investigating the issue.

  2. investigating May 16, 2025, 10:17 PM UTC

    We are continuing to investigate this issue.

  3. resolved May 17, 2025, 12:23 AM UTC

    This incident has been resolved.