Outage in Base

Mainnet Flashblocks WebSocket Connection Instability

Minor
November 04, 2025 - Started about 21 hours ago
Official incident page

Incident Report

We are currently investigating degraded connection stability to the Base Mainnet WebSocket endpoint for Flashblocks `wss://mainnet.flashblocks.base.org/ws`. Applications and nodes may experience intermittent connection drops to that endpoint.

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Latest Updates ( sorted recent to last )
INVESTIGATING about 21 hours ago - at 11/04/2025 03:32PM

We are currently investigating degraded connection stability to the Base Mainnet WebSocket endpoint for Flashblocks `wss://mainnet.flashblocks.base.org/ws`. Applications and nodes may experience intermittent connection drops to that endpoint.

Latest Base outages

Client bug causing inaccurate `eth_call` data on Flashblock endpoints - 7 days ago
High RPC latency and transaction inclusion times on Base Mainnet - 16 days ago
Delayed Transaction Inclusion - 19 days ago
Safe head delay from high transaction volume - 26 days ago
Flashblocks Outage - about 1 month ago

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