Major incident
Base: Reduced Capacity on Base Mainnet Flashblocks Websocket stream
Jul 21, 2026, 20:54 UTC
started
19:30 UTC
resolved
—
duration
Current status of Base: Operational — live Base status
Timeline
- Jul 21, 2026, 19:30 UTCresolvedBetween UTC 19:50 and 20:42, Base Mainnet experienced reduced capacity on the Flashblocks websocket stream. Clients likely experienced delays in receiving messages and rate limits when connecting.
Updates as published by Base (original).
Other services with incidents at the same time
- WorkOS 21:21 UTC · AuthKit SSO failures
- Rice University 21:10 UTC · Building Access Impacted - Ongoing
- Klaviyo 20:36 UTC · Elevated errors for SMS opt-ins, scheduling, and sending
More Base incidents
- October 23, 2026 Base Sepolia public RPC delayed responses
- October 9, 2026 Base Mainnet proposals halted
- July 28, 2026 Base Mainnet Safe head delayed
- June 25, 2026 Base Mainnet Chain Stall
- May 29, 2026 Base Mainnet Withdrawal Delay
- April 16, 2026 Sepolia Testnet Unsafe Head Stalled