Chainstack - Notice history

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Chainstack API - Operational

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Chainstack Docs - Operational

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Chainstack Faucet - Operational

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Jun 2025
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Notice history

Aug 2025

Scheduled Urgent Maintenance in Chainstack Cloud, Frankfurt Location
  • Update
    August 30, 2025 at 4:41 AM
    Update
    August 30, 2025 at 4:41 AM
    Maintenance has completed successfully.
  • Completed
    August 30, 2025 at 4:30 AM
    Completed
    August 30, 2025 at 4:30 AM
    Maintenance has completed successfully
  • In progress
    August 30, 2025 at 2:30 AM
    In progress
    August 30, 2025 at 2:30 AM
    Maintenance is now in progress
  • Planned
    August 30, 2025 at 2:30 AM
    Planned
    August 30, 2025 at 2:30 AM

    We will be performing scheduled urgent maintenance in our Chainstack Cloud, Frankfurt location with a planned 90-minute maintenance window. This maintenance includes important infrastructure upgrades aimed at improving stability, performance, and ensuring the long-term reliability of our services in the region.

    During the window, some trader nodes in Chainstack Cloud, Frankfurt may be impacted, which could result in:

    • Temporary network degradation

    • Increased latency

    • Brief connectivity interruptions

    Our engineering team will closely monitor the process and work to minimize any disruption. Once the maintenance is completed, normal performance will be fully restored.

    We appreciate your patience and understanding as we carry out these improvements

Scheduled Urgent Maintenance in Chainstack Cloud, Frankfurt Location
  • Completed
    August 29, 2025 at 10:09 PM
    Completed
    August 29, 2025 at 10:09 PM
    Maintenance has completed successfully.
  • In progress
    August 29, 2025 at 10:00 PM
    In progress
    August 29, 2025 at 10:00 PM
    Maintenance is now in progress
  • Planned
    August 29, 2025 at 10:00 PM
    Planned
    August 29, 2025 at 10:00 PM

    We will be performing scheduled urgent maintenance in our Chainstack Cloud, Frankfurt location with a planned 120-minutes maintenance window. This maintenance includes important infrastructure upgrades aimed at improving stability, performance, and ensuring the long-term reliability of our services in the region.

    During the window, some trader nodes in Chainstack Cloud, Frankfurt may be impacted, which could result in:

    • Temporary network degradation

    • Increased latency

    • Brief connectivity interruptions

    Our engineering team will closely monitor the process and work to minimize any disruption. Once the maintenance is completed, normal performance will be fully restored.

    We appreciate your patience and understanding as we carry out these improvements.

Scheduled Urgent Maintenance in Chainstack Cloud, Frankfurt Location
  • Completed
    August 28, 2025 at 11:33 PM
    Completed
    August 28, 2025 at 11:33 PM
    Maintenance has completed successfully.
  • In progress
    August 28, 2025 at 10:00 PM
    In progress
    August 28, 2025 at 10:00 PM
    Maintenance is now in progress
  • Planned
    August 28, 2025 at 10:00 PM
    Planned
    August 28, 2025 at 10:00 PM

    We will be performing scheduled urgent maintenance in our Chainstack Cloud, Frankfurt location with a planned 120-minutes maintenance window. This maintenance includes important infrastructure upgrades aimed at improving stability, performance, and ensuring the long-term reliability of our services in the region.

    During the window, some trader nodes in Chainstack Cloud, Frankfurt may be impacted, which could result in:

    • Temporary network degradation

    • Increased latency

    • Brief connectivity interruptions

    Our engineering team will closely monitor the process and work to minimize any disruption. Once the maintenance is completed, normal performance will be fully restored.

    We appreciate your patience and understanding as we carry out these improvements.

Scheduled protocol upgrade
  • Completed
    August 28, 2025 at 10:30 PM
    Completed
    August 28, 2025 at 10:30 PM
    Maintenance has completed successfully
  • In progress
    August 28, 2025 at 6:30 PM
    In progress
    August 28, 2025 at 6:30 PM
    Maintenance is now in progress
  • Planned
    August 28, 2025 at 6:30 PM
    Planned
    August 28, 2025 at 6:30 PM

    Upgrade Details: We will upgrade the protocol Cronos from version v1.4.9 to version v1.4.10, as part of our ongoing efforts to enhance performance, security, and reliability.

    What to expect:

    • The upgrade process is expected to take approximately 4 hours

    • During this period, there may be temporary disruptions or degraded performance

    • No action is required on your end, our team will handle the upgrade seamlessly

    We will be closely monitoring the process to ensure a smooth transition and will provide updates as needed. Thank you for your patience and support!

    If you have any questions, feel free to reach out at support@chainstack.com

zkSync Mainnet Archive /w Debug and Trace outage
  • Resolved
    Resolved

    zkSync Mainnet Archive /w Debug and Trace is now operational! This update was created by an automated monitoring service.

  • Investigating
    Investigating

    zkSync Mainnet Archive /w Debug and Trace cannot be accessed at the moment. This incident was created by an automated monitoring service.

Jul 2025

Polygon Mainnet Archive /w Debug and Trace (Chainstack Cloud, Ashburn) - PROBLEM
  • Resolved
    Resolved

    The node is up!

    Your node is fully functional now. Thank you for your patience.

  • Investigating
    Investigating

    The node is currently down.

    Our team is already on it and working hard to restore your node as soon as possible.
    We apologize for any inconvenience caused.

Polygon Mainnet Full (Chainstack Cloud, Ashburn) - PROBLEM
  • Resolved
    Resolved

    The node is up!

    Your node is fully functional now. Thank you for your patience.

  • Investigating
    Investigating

    The node is currently down.

    Our team is already on it and working hard to restore your node as soon as possible.
    We apologize for any inconvenience caused.

Polygon Mainnet Archive (Chainstack Cloud, Ashburn) - PROBLEM
  • Resolved
    Resolved

    The node is up!

    Your node is fully functional now. Thank you for your patience.

  • Investigating
    Investigating

    The node is currently down.

    Our team is already on it and working hard to restore your node as soon as possible.
    We apologize for any inconvenience caused.

Polygon Mainnet Full (Chainstack Cloud, London) - PROBLEM
  • Resolved
    Resolved

    The node is up!

    Your node is fully functional now. Thank you for your patience.

  • Investigating
    Investigating

    The node is currently down.

    Our team is already on it and working hard to restore your node as soon as possible.
    We apologize for any inconvenience caused.

Polygon Mainnet Full GEN - PROBLEM
  • Resolved
    Resolved

    The node is up!

    Your node is fully functional now. Thank you for your patience.

  • Investigating
    Investigating

    The node is currently down.

    Our team is already on it and working hard to restore your node as soon as possible.
    We apologize for any inconvenience caused.

Jun 2025

Polygon Amoy Testnet network is lagging behind at the chain tip
  • Resolved
    Resolved

    We’ve implemented a fix by upgrading the nodes to the latest version. They are now syncing properly, and the incident is resolved.

  • Identified
    Identified

    Polygon Amoy testnet network is still lagging behind at the chain tip. The issue appears to be caused by delays in receiving data from Heimdall. We're actively working with the Polygon team to resolve it and will keep you updated on any progress.

  • Investigating
    Investigating

    The node is currently down.

    Our team is already on it and working hard to restore your node as soon as possible.
    We apologize for any inconvenience caused.

Scheduled protocol upgrade - Arbitrum
  • Completed
    June 26, 2025 at 11:00 PM
    Completed
    June 26, 2025 at 11:00 PM
    Maintenance has completed successfully
  • In progress
    June 26, 2025 at 7:00 PM
    In progress
    June 26, 2025 at 7:00 PM
    Maintenance is now in progress
  • Planned
    June 26, 2025 at 7:00 PM
    Planned
    June 26, 2025 at 7:00 PM

    Upgrade Details: We will upgrade the protocol Arbitrum to version 3.6.7, as part of our ongoing efforts to enhance performance, security, and reliability.

    What to expect:

    • The upgrade process is expected to take approximately 4 hours

    • During this period, there may be temporary disruptions or degraded performance

    • No action is required on your end, our team will handle the upgrade seamlessly

    We will be closely monitoring the process to ensure a smooth transition and will provide updates as needed. Thank you for your patience and support!

    If you have any questions, feel free to reach out at support@chainstack.com

Mantle mainnet GEN - PROBLEM
  • Resolved
    Resolved

    **The node is up!** Your node is fully functional now. Thank you for your patience.

  • Investigating
    Investigating

    **The node is currently down.** Our team is already on it and working hard to restore your node as soon as possible. We apologize for any inconvenience caused.

Scheduled protocol upgrade Optimism Mainnet
  • Completed
    June 26, 2025 at 7:00 PM
    Completed
    June 26, 2025 at 7:00 PM
    Maintenance has completed successfully
  • In progress
    June 26, 2025 at 3:00 PM
    In progress
    June 26, 2025 at 3:00 PM
    Maintenance is now in progress
  • Planned
    June 26, 2025 at 3:00 PM
    Planned
    June 26, 2025 at 3:00 PM

    Upgrade Details: We will upgrade the protocol Optimism Mainnet from version v1.13.3 to version v1.13.4, as part of our ongoing efforts to enhance performance, security, and reliability.

    What to expect:

    • The upgrade process is expected to take approximately 4 hours

    • During this period, there may be temporary disruptions or degraded performance

    • No action is required on your end, our team will handle the upgrade seamlessly

    We will be closely monitoring the process to ensure a smooth transition and will provide updates as needed. Thank you for your patience and support!

    If you have any questions, feel free to reach out at support@chainstack.com

Emergency maintenance on London Logs Indexing layer
  • Completed
    June 26, 2025 at 7:30 PM
    Completed
    June 26, 2025 at 7:30 PM
    Maintenance has completed successfully.
  • Planned
    June 26, 2025 at 2:30 PM
    Planned
    June 26, 2025 at 2:30 PM

    We had to perform an unplanned / emergency maintenance on our logs indexing APIs in LON region. As a result of this, increased latencies will be witnessed with eth_getLogs on BSC and Ethereum chains in particular in LON region.

    We apologize for the incovenience this is causing to our customers and we are working on restoring the situation to normalcy asap

Jun 2025 to Aug 2025

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