Polymarket - Notice history

All systems operational

Website - Operational

100% - uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
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CLOB API - Operational

100% - uptime
Mar 2026 · 99.19%Apr · 100.0%May · 99.84%

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Mar 2026
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Markets API - Operational

100% - uptime
Mar 2026 · 99.91%Apr · 100.0%May · 100.0%

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Mar 2026
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Polygon (RPC) - Operational

100% - uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
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User auth - Operational

100% - uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
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Sports API - Operational

100% - uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
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Notice history

May 2026

Clob issue identified - Trading affected
  • Resolved
    Resolved

    Trading is restored. Thanks for your patience while we worked through the fix.

  • Monitoring
    Monitoring

    There will be a CLOB restart at 13:10 UTC to roll-out the fix.

  • Identified
    Identified

    We are working on a fix for an issue affecting trading

Scheduled CLOB maintenance
  • Completed
    May 29, 2026 at 12:38 PM
    Completed
    May 29, 2026 at 12:38 PM

    CLOB components have restarted successfully and all services are back to normal. Thanks for your patience and sorry for the extended maintenance.

  • Update
    May 29, 2026 at 12:25 PM
    Update
    May 29, 2026 at 12:25 PM

    Maintenance extended and still in progress.

  • In progress
    May 29, 2026 at 12:10 PM
    In progress
    May 29, 2026 at 12:10 PM

    Maintenance is now in progress, estimated 15min of maintenance

  • Planned
    May 29, 2026 at 12:10 PM
    Planned
    May 29, 2026 at 12:10 PM

    Brief CLOB restart to roll out additional components.


    Expected impact:

    • Intermittent trading for ~5-10 minutes. The CLOB will restart at ~12:10 UTC.

    • Brief post-only window after restart (2 min) before normal matching resumes.

    • Possible follow-up restart within 1 hr of the initial window if needed.


    We'll update the status page as the restart progresses.

Scheduled CLOB maintenance
  • Planned
    May 27, 2026 at 12:40 PM
    Planned
    May 27, 2026 at 12:40 PM

    Brief CLOB restart to roll out additional components as part of our ongoing latency-focused upgrades.

    Expected impact:

    • Intermittent trading for ~5-10 minutes. The CLOB will restart at 12:10 UTC.

    • Brief post-only window after restart (~2 min) before normal matching resumes.

    • Possible follow-up restart within ~1 hr of the initial window if needed.

    We'll update this page as the restart progresses.

  • Completed
    May 27, 2026 at 12:37 PM
    Completed
    May 27, 2026 at 12:37 PM

    This maintenance has been cancelled and will be rescheduled. No action needed.

Scheduled CLOB maintenance
  • Completed
    May 22, 2026 at 12:10 PM
    Completed
    May 22, 2026 at 12:10 PM

    Maintenance complete, trading is back to normal.

    Thanks for your patience.

  • In progress
    May 22, 2026 at 12:10 PM
    In progress
    May 22, 2026 at 12:10 PM
    Maintenance is now in progress
  • Planned
    May 22, 2026 at 12:10 PM
    Planned
    May 22, 2026 at 12:10 PM

    • Trading paused for ~5-10 minutes. The CLOB will restart at ~12:10 UTC.

    • 2 min cancel-only + post-only window after restart. Cancels and orders with postOnly: true will be accepted (See API reference here); market orders and taking liquidity will be rejected. Normal matching resumes shortly after.

Additional maintenance
  • Completed
    May 20, 2026 at 3:10 PM
    Completed
    May 20, 2026 at 3:10 PM
    Maintenance has completed successfully.
  • Update
    May 20, 2026 at 3:03 PM
    Update
    May 20, 2026 at 3:03 PM

    Maintenance still in progress, the Clob will restart shortly, and trading will be paused for ~5min.

  • In progress
    May 20, 2026 at 2:50 PM
    In progress
    May 20, 2026 at 2:50 PM
    Maintenance is now in progress
  • Update
    May 20, 2026 at 2:50 PM
    Update
    May 20, 2026 at 2:50 PM

    Brief CLOB restart to roll out an update. Trading will be paused for ~10 minutes.

  • Planned
    May 20, 2026 at 2:50 PM
    Planned
    May 20, 2026 at 2:50 PM

    Brief CLOB restart to roll out an update. Trading will be paused for ~10 minutes.
    2 min of post + cancel only mode once back up

Apr 2026

CLOB v2 exchange upgrade
  • Completed
    April 28, 2026 at 12:29 PM
    Completed
    April 28, 2026 at 12:29 PM
    Maintenance has completed successfully.
  • Update
    April 28, 2026 at 12:06 PM
    Update
    April 28, 2026 at 12:06 PM

    The CLOB v2 upgrade is still in progress. Funds and positions are safe. The team is actively working through the final steps.

  • In progress
    April 28, 2026 at 11:04 AM
    In progress
    April 28, 2026 at 11:04 AM

    Maintenance is now in progress, for approximately 1 hour.

  • Planned
    April 28, 2026 at 11:00 AM
    Planned
    April 28, 2026 at 11:00 AM

    We're upgrading the CLOB v2 exchange to improve performance and reliability. The platform will be under maintenance during the window. Open orders will be cleared, and you should re-place any limit orders once trading resumes.

Mar 2026

Incident resolved
  • Resolved
    Resolved
    Incident resolved
  • Investigating
    Investigating
    There is a problem with one of the Markets API components (search engine). Our team is working on a solution.
Incident resolved
  • Resolved
    Resolved
    Incident resolved
  • Investigating
    Investigating
    There is a problem with one of the CLOB API components (tracker). Our team is working on a solution.
Incident resolved
  • Update
    Update
    Incident resolved
  • Resolved
    Resolved
    Incident resolved
  • Investigating
    Investigating
    There is a problem with one of the Markets API components (search engine). Our team is working on a solution.
Incident resolved
  • Resolved
    Resolved
    Incident resolved
  • Investigating
    Investigating
    There is a problem with one of the Markets API components (search engine). Our team is working on a solution.
Incident resolved
  • Update
    Update
    Incident resolved
  • Resolved
    Resolved
    Incident resolved
  • Investigating
    Investigating
    There is a problem with one of the CLOB API components (tracker). Our team is working on a solution.

Mar 2026 to May 2026

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