Optimism - Flashblocks Mainnet & Sepolia Maintenance – Maintenance details

All systems operational

Flashblocks Mainnet & Sepolia Maintenance

Planned
Scheduled for August 13, 2026 at 8:10 PM – 10:10 PMUTC

Affects

Sepolia

Under maintenance from 8:10 PM to 12:00 AM

Public API

Under maintenance from 8:10 PM to 12:00 AM

Mainnet

Under maintenance from 8:10 PM to 12:00 AM

Public API

Under maintenance from 8:10 PM to 12:00 AM

Updates
  • In progress
    August 13, 2026 at 8:10 PMUTC
    In progress
    August 13, 2026 at 8:10 PMUTC

    We are executing maintenance on the flashblocks endpoints for OP Sepolia & OP Mainnet. When executing the cutover, clients may experience connection issues while DNS propagates. We anticipate this cutover being brief and any connection issues should be resolved within 5 minutes of the cutover.