Chainstack - Notice history

Experiencing partially degraded performance

Chainstack Console - Operational

100% - uptime
Dec 2025 · 99.95%Jan 2026 · 100.0%Feb · 100.0%

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Chainstack API - Operational

100% - uptime
Dec 2025 · 99.95%Jan 2026 · 100.0%Feb · 100.0%

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Chainstack Docs - Operational

100% - uptime
Dec 2025 · 100.0%Jan 2026 · 100.0%Feb · 100.0%

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Chainstack Faucet - Operational

100% - uptime
Dec 2025 · 100.0%Jan 2026 · 100.0%Feb · 100.0%

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Notice history

Feb 2026

Degraded performance on Cronos Mainnet and Aptos Mainnet
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Investigating
    Investigating
    We are currently investigating this incident.
Degraded Performance for Sui Mainnet
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Investigating
    Investigating
    We are currently investigating this incident.
Degraded performance on Polygon Mainnet Archive (Chainstack Cloud, London)
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Investigating
    Investigating
    We are currently investigating this incident.
Scheduled protocol upgrade - Solana v3.1.8
  • Completed
    February 26, 2026 at 4:00 PM
    Completed
    February 26, 2026 at 4:00 PM
    Maintenance has completed successfully
  • In progress
    February 26, 2026 at 8:00 AM
    In progress
    February 26, 2026 at 8:00 AM
    Maintenance is now in progress
  • Planned
    February 26, 2026 at 8:00 AM
    Planned
    February 26, 2026 at 8:00 AM

    Upgrade Details: We will upgrade the protocol Solana from version v3.0.15 to version v3.1.8, as part of our ongoing efforts to enhance performance, security, and reliability.

    What to expect:

    • The upgrade process is expected to take approximately 8 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

Solana Mainnet down in LONDON cluster
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Identified
    Identified
    We are continuing to work on a fix for this incident.
  • Investigating
    Investigating
    We are currently investigating this incident.

Jan 2026

zkSync Era Mainnet Network Wide Outage
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Update
    Update
    We are currently investigating this incident.
  • Investigating
    Investigating
    We are currently investigating this incident.
Degraded performance on Aptos Testnet
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Identified
    Identified
    We are continuing to work on a fix for this incident.
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Investigating
    Investigating
    We are currently investigating this incident.
Aptos Testnet Global Elastic Nodes - Sync issues
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Investigating
    Investigating
    We are currently investigating this incident.
Tempo Moderato Testnet - Network Halt
  • Resolved
    Resolved
    This incident has been resolved.
  • Investigating
    Investigating
    We are currently investigating this incident.
Cronos Testnet lagging (LONDON)
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Investigating
    Investigating
    We are currently investigating this incident.

Dec 2025

Degraded Performance on Polygon Amoy
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Investigating
    Investigating
    We are currently investigating this incident.
Polygon Mainnet degraded performance in London
  • Resolved
    Resolved
    This incident has been resolved.
  • Investigating
    Investigating
    We are currently investigating this incident.
Polygon Mainnet degraded performance in Asia (Tokyo)
  • Resolved
    Resolved
    This incident has been resolved.
  • Investigating
    Investigating
    We are currently investigating this incident.
Scheduled protocol upgrade - zkSync v29.7.0
  • Completed
    December 24, 2025 at 5:00 AM
    Completed
    December 24, 2025 at 5:00 AM
    Maintenance has completed successfully
  • In progress
    December 24, 2025 at 3:00 AM
    In progress
    December 24, 2025 at 3:00 AM
    Maintenance is now in progress
  • Planned
    December 24, 2025 at 3:00 AM
    Planned
    December 24, 2025 at 3:00 AM

    Upgrade Details: We will upgrade the protocol zkSync Era from version v29.1.2 to version v29.7.0, 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

Internal platform upgrades
  • Completed
    December 18, 2025 at 4:00 PM
    Completed
    December 18, 2025 at 4:00 PM
    Maintenance has completed successfully
  • In progress
    December 18, 2025 at 12:00 PM
    In progress
    December 18, 2025 at 12:00 PM
    Maintenance is now in progress
  • Planned
    December 18, 2025 at 12:00 PM
    Planned
    December 18, 2025 at 12:00 PM

    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.

Dec 2025 to Feb 2026

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