Base outage history and status

Is Base down right now?

No
All Systems Operational Official status as of Oct 26, 2026, 16:17 UTC (refreshing…)
98.64%
uptime, 90 days
2
incidents, 90 days
5 h 27 min
median time to fix
Oct 23, 2026
last incident

Base components

Website

Testnet

Mainnet

Base outage history

Nov: 2 incidents, 0 min of major outage 2 Nov Dec: 1 incidents, 0 min of major outage 1 Dec Jan: 2 incidents, 0 min of major outage 2 Jan Feb: 2 incidents, 0 min of major outage 2 Feb Mar: 2 incidents, 0 min of major outage 2 Mar Apr: 4 incidents, 159 min of major outage 4 Apr May: 3 incidents, 1440 min of major outage 3 May Jun: 3 incidents, 1440 min of major outage 3 Jun Jul: 2 incidents, 122 min of major outage 2 Jul Aug: 0 incidents, 0 min of major outage Aug Sep: 0 incidents, 0 min of major outage Sep Oct: 2 incidents, 1767 min of major outage 2 Oct
Base incidents per month, last 12 months. Red: months with a major or critical outage. Shaded: before our complete history.
Started (UTC)IncidentImpactDuration
Oct 23, 2026, 04:58 UTC Base Sepolia public RPC delayed responses
Public RPC API
Major no update since Oct 23, 2026
Oct 9, 2026, 13:48 UTC Base Mainnet proposals halted
Bridge (Mainnet)
Major 5 h 27 min
Jul 28, 2026, 13:10 UTC Base Mainnet Safe head delayed
Batch submission
Major 2 h 02 min
Jul 21, 2026, 20:54 UTC Reduced Capacity on Base Mainnet Flashblocks Websocket stream Major —
Jun 25, 2026, 16:03 UTC Base Mainnet Chain Stall
Deposits, Withdrawals, Block production, Client Software
Critical 28 h
Jun 12, 2026, 21:28 UTC Base Mainnet p2p peering stability
Client Software
Minor 9 days 19 h
Jun 2, 2026, 22:32 UTC Base Mainnet Periodic Flashblocks Instability
Flashblocks
Minor 19 days 18 h
May 29, 2026, 15:55 UTC Base Mainnet Withdrawal Delay
Withdrawals
Major 35 h 43 min
May 13, 2026, 16:44 UTC Delayed Transactions
Block production
No impact 12 h 19 min
May 10, 2026, 18:31 UTC Elevated latency on Sepolia RPC
Public RPC API
Minor 2 days 22 h
Apr 30, 2026, 21:14 UTC Node Peering Stability on Base Testnet and Mainnet
Client Software, Client Software
No impact 34 days 22 h
Apr 16, 2026, 18:26 UTC Sepolia Testnet Unsafe Head Stalled
Block production
Major 49 min
Apr 10, 2026, 22:54 UTC Sepolia safe head delayed
Withdrawals
Major 1 h 50 min
Apr 7, 2026, 00:37 UTC Sepolia Testnet: Flashblocks down
Flashblocks
Minor 18 min
Mar 24, 2026, 12:00 UTC Base Mainnet Flashblocks Degraded
Public RPC API
Minor 8 days 1 h
Mar 9, 2026, 20:29 UTC Flashblock websocket connection errors
Public RPC API
Minor 1 h 25 min
Feb 18, 2026, 05:31 UTC Sepolia block building issue
Block production
No impact 11 h 25 min
Feb 5, 2026, 15:22 UTC Transaction Inclusion Delays
Block production, Transaction pool
No impact 46 days 21 h
Jan 22, 2026, 22:19 UTC High Rate of Transaction Drops and Transaction Inclusion Delays
Block production
Minor 8 days 23 h
Jan 20, 2026, 15:51 UTC Periodically delayed block building on Base Mainnet Minor —
Dec 12, 2025, 16:08 UTC Delayed Transactions No impact —
Nov 6, 2025, 21:58 UTC Flashblocks Degraded Performance
Flashblocks
Minor 5 days 7 h
Nov 4, 2025, 15:32 UTC Mainnet Flashblocks WebSocket Connection Instability
Flashblocks
Minor 13 days
Oct 29, 2025, 23:36 UTC Client bug causing inaccurate `eth_call` data on Flashblock endpoints
Flashblocks
Minor 21 min
Oct 20, 2025, 18:58 UTC High RPC latency and transaction inclusion times on Base Mainnet
Public RPC API, Block production
Minor 2 h 09 min

50 incidents in our archive since November 23, 2024.

When and where Base fails

By weekday

Most incidents start on Wed.

  • Mon4
  • Tue11
  • Wed13
  • Thu9
  • Fri11
  • Sat1
  • Sun1

Most affected, last 12 months

  • Block production6
  • Flashblocks5
  • Public RPC API4
  • Client Software3
  • Withdrawals3
  • Batch submission1
  • Bridge (Mainnet)1
  • Deposits1

Other crypto services

FAQ

Is Base down right now?
At our last check Base's official status page reported: All Systems Operational. This page refreshes the status every few minutes.
How often does Base go down?
Base reported 2 incidents in the last 90 days (2 major or critical), with 1,767 minutes of major outage: 98.64% uptime.
When was the last Base outage?
The latest reported incident started on Oct 23, 2026, 04:58 UTC: "Base Sepolia public RPC delayed responses", and is not resolved yet.
How long do Base outages last?
Half of Base's incidents in the last 90 days were resolved within 5 h 27 min.

Source: Base official status page · RSS of Base incidents · status badge for your site