Sui Outage History

Sui is up right now

Sui had 4 outages in the last 2 years totaling 84h 18m of downtime — averaging 0.2 incidents per month.

There were 4 Sui outages since June 28, 2025 totaling 84h 18m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.sui.io

Critical May 28, 2026

Mainnet settlement

Detected by Pingoru
May 28, 2026, 02:15 PM UTC
Resolved
May 30, 2026, 04:43 PM UTC
Duration
2d 2h
Affected: Sui Mainnet - ValidatorsSui Mainnet - Public RPC Nodes
Timeline · 11 updates

Read the full incident report →

Critical January 14, 2026

Consensus outage

Detected by Pingoru
Jan 14, 2026, 02:52 PM UTC
Resolved
Jan 14, 2026, 09:22 PM UTC
Duration
6h 30m
Affected: Sui Mainnet - ValidatorsSui Mainnet - Public RPC Nodes
Timeline · 6 updates
  1. investigating Jan 14, 2026, 02:52 PM UTC

    investigating consensus issues across all validators

  2. investigating Jan 14, 2026, 02:52 PM UTC

    We are continuing to investigate this issue.

  3. identified Jan 14, 2026, 03:18 PM UTC

    The issue has been identified and a fix is being implemented.

  4. identified Jan 14, 2026, 07:37 PM UTC

    Fix is ready and will be rolled out soon

  5. monitoring Jan 14, 2026, 08:44 PM UTC

    A fix has been implemented and we are monitoring the results.

  6. resolved Jan 14, 2026, 09:22 PM UTC

    The validators have rolled out the fix and the system is fully functional.

Read the full incident report →

Minor December 14, 2025

Sui Mainnet Network

Detected by Pingoru
Dec 14, 2025, 07:52 PM UTC
Resolved
Dec 14, 2025, 11:03 PM UTC
Duration
3h 11m
Affected: Sui Mainnet - ValidatorsSui Mainnet - Public RPC Nodes
Timeline · 2 updates
  1. investigating Dec 14, 2025, 07:52 PM UTC

    We are currently investigating degraded consensus, much higher latencies.

  2. resolved Dec 14, 2025, 11:03 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice June 28, 2025

Testnet validators lost quorum for checkpoint generation

Detected by Pingoru
Jun 28, 2025, 11:12 PM UTC
Resolved
Jun 29, 2025, 11:20 PM UTC
Duration
1d
Affected: Sui Testnet - Validators
Timeline · 2 updates
  1. investigating Jun 28, 2025, 11:12 PM UTC

    We understand the root cause and the team is figuring out options for troubleshooting.

  2. resolved Jun 29, 2025, 11:20 PM UTC

    This incident has been resolved.

Read the full incident report →