Chainstack - Notice history

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Chainstack Faucet - Operational

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May 2026
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Notice history

Jul 2026

Urgent maintenance for Optimism Sepolia
Scheduled for July 21, 2026 at 6:30 AM – 6:30 AMUTC
  • Planned
    July 17, 2026 at 1:56 PMUTC
    Planned
    July 17, 2026 at 1:56 PMUTC

    We are upgrading the network.
    During maintenence window you might experience abrupt disconnections and request failues.

Degraded Performance on BSC Mainnet in London
  • Resolved
    UTC
    Resolved

    We implemented a fix by adding more capacity, and things have stabilized. The incident has been resolved.

  • Identified
    UTC
    Identified

    We have identified the issue causing the degraded performance on our BSC Mainnet nodes in London region.

    Elevated response times are expected for eth_getLogs calls.

    The root cause has been traced to a resource exhaustion. We are currently working on mitigation strategies.

Gnosis Trader Nodes: Gnosis Mainnet Archive (Chainstack Cloud, London) migration from London to London2 with switching client from nethermind to erigon
  • Completed
    July 17, 2026 at 7:00 PMUTC
    Completed
    July 17, 2026 at 7:00 PMUTC
    Maintenance has completed successfully
  • In progress
    July 17, 2026 at 5:00 PMUTC
    In progress
    July 17, 2026 at 5:00 PMUTC
    Maintenance is now in progress
  • Planned
    July 14, 2026 at 8:10 PMUTC
    Planned
    July 14, 2026 at 8:10 PMUTC

    Gnosis Mainnet Archive (Chainstack Cloud, London) migration from London to London2 with switching client from nethermind to erigon

Degraded Performance on Polygon Mainnet Archive in London
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Degraded Performance on Polygon Mainnet Archive in London
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Monitoring
    UTC
    Monitoring

    The affected backend nodes have caught up and are fully synced. Service has been restored, and we are monitoring to ensure continued stability.

  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.

Jun 2026

Ethereum Mainnet Beacon Endpoint Instability
  • Resolved
    UTC
    Resolved

    We have resolved the issue affecting performance of our Ethereum Mainnet Beacon nodes.

    The root cause has been traced to internal queue exhaustion for archive BeaconState execution.

    The response times have returned to normal and the service is stable.

  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Tempo Testnet – Degraded Performance in New York Region
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Monitoring
    UTC
    Monitoring

    Response times have returned to normal, and the upstream service is healthy.

  • Identified
    UTC
    Identified

    The degraded performance is due to a stress test on the Tempo Testnet network. Our team is monitoring the situation, and we will provide further updates as they become available.

  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Polygon Mainnet degraded performance in Tokyo
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Monitoring
    UTC
    Monitoring

    We implemented a fix, nodes are back in sync. We are currently monitoring the result.

  • Investigating
    UTC
    Investigating

    Nodes seem to be out of sync. We are currently investigating this incident.

Urgent Infrastructure Maintenance (Chainstack Cloud, Tokyo)
  • Completed
    June 29, 2026 at 4:30 AMUTC
    Completed
    June 29, 2026 at 4:30 AMUTC
    Maintenance has completed successfully
  • In progress
    June 29, 2026 at 3:30 AMUTC
    In progress
    June 29, 2026 at 3:30 AMUTC
    Maintenance is now in progress
  • Planned
    June 26, 2026 at 10:36 AMUTC
    Planned
    June 26, 2026 at 10:36 AMUTC

    Dear Valued Users,

    We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, Tokyo to improve reliability and overall service performance.


    We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection.


    We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services.

    If you have any questions or concerns, please don’t hesitate to contact us.


    Thank you for your understanding.

Solana Mainnet – Degraded Performance Across Multiple Regions
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Monitoring
    UTC
    Monitoring

    The elevated response times were caused by an unusually high volume of traffic. We have applied mitigations on our side to stabilize the fleet and service performance.

  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.

May 2026

Solana Mainnet degraded performance in Frankfurt cluster
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Monitoring
    UTC
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Identified
    UTC
    Identified
    We are continuing to work on a fix for this incident.
  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Sui Mainnet Image Upgrade (Degraded performance)
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Monitoring
    UTC
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Degraded performance on Solana Mainnet
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Monitoring
    UTC
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Update
    UTC
    Update
    We are continuing to work on a fix for this incident.
  • Identified
    UTC
    Identified
    We are continuing to work on a fix for this incident.
Degraded performance issue on Polygon Ashburn
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Sui Mainnet degraded performance
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.

May 2026 to Jul 2026

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