Chainstack - Notice history

System Under Maintenance

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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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Notice history

Sep 2025

Internal platform upgrades
Scheduled for September 18, 2025 at 11:00 PM – September 19, 2025 at 3:00 AM about 4 hours
  • Planned
    September 18, 2025 at 11:00 PM
    Planned
    September 18, 2025 at 11:00 PM

    Dear valued users.

    We want to inform you that we will be conducting platform maintenance in Chainstack Cloud, LON region. During this maintenance, we will upgrade the software, which can cause short network disruptions. We apologize for any inconvenience this may cause and appreciate your patience as we work to improve our services.

    If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding.

Scheduled protocol upgrade
Scheduled for September 18, 2025 at 4:30 AM – 5:30 AM about 1 hour
  • Planned
    September 18, 2025 at 4:30 AM
    Planned
    September 18, 2025 at 4:30 AM

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

    What to expect:

    • The upgrade process is expected to take approximately 2 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

Scheduled protocol upgrade
Scheduled for September 18, 2025 at 4:30 AM – 6:30 AM about 2 hours
  • Planned
    September 18, 2025 at 4:30 AM
    Planned
    September 18, 2025 at 4:30 AM

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

    What to expect:

    • The upgrade process is expected to take approximately 2 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

Scheduled protocol upgrade
Scheduled for September 17, 2025 at 6:30 PM – 10:30 PM about 4 hours
  • Planned
    September 17, 2025 at 6:30 PM
    Planned
    September 17, 2025 at 6:30 PM

    Upgrade Details: We will upgrade the protocol Cronos from version 1.4.10 to version 1.5.0, 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

Internal platform upgrades -ASH Region
  • Completed
    September 16, 2025 at 1:31 PM
    Completed
    September 16, 2025 at 1:31 PM
    Maintenance has completed successfully.
  • In progress
    September 16, 2025 at 9:30 AM
    In progress
    September 16, 2025 at 9:30 AM
    Maintenance is now in progress
  • Planned
    September 16, 2025 at 9:30 AM
    Planned
    September 16, 2025 at 9:30 AM

    Dear valued users.

    We want to inform you that we will be conducting platform maintenance. During this maintenance, we will upgrade software which can cause short network disruptions. We apologize for any inconvenience this may cause and appreciate your patience as we work to improve our services.

    If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding.

Aug 2025

Scheduled Urgent Maintenance in Chainstack Cloud, Frankfurt Location
  • Update
    August 30, 2025 at 4:41 AM
    Completed
    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.

Jul 2025 to Sep 2025

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