Outage in Base
Base Sepolia Preconf RPC Downtime
Resolved Minor
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Outage Details
Base Sepolia Preconf Flashblocks RPC started experiencing downtime at 12:45pm ET.
The issue has been identified and we are working to restore service.
Components affected
Base Public RPC APILatest Updates ( sorted recent to last )
RESOLVED
13 days ago - at 09/11/2025 06:03PM
The incident has been resolved.
MONITORING
13 days ago - at 09/11/2025 05:32PM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
13 days ago - at 09/11/2025 05:18PM
Base Sepolia Preconf Flashblocks RPC started experiencing downtime at 12:45pm ET.
The issue has been identified and we are working to restore service.
Latest Base outages
Flashblocks Outage - 3 days ago
Base Sepolia Testnet halted - about 1 month ago
Base Mainnet | Unsafe head delay - about 2 months ago
Base Mainnet | Safe Head Delay - 4 months ago
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