Polymarket - CLOB v2 exchange upgrade – Maintenance details

All systems operational

CLOB v2 exchange upgrade

Completed
Scheduled for April 28, 2026 at 11:00 AM – 12:29 PMUTC

Affects

Polymarket Web App

Under maintenance from 11:00 AM to 12:29 PM

Predictions

Under maintenance from 11:00 AM to 12:29 PM

Predictions Trading API (CLOB)

Under maintenance from 11:00 AM to 12:29 PM

Updates
  • Completed
    April 28, 2026 at 12:29 PMUTC
    Completed
    April 28, 2026 at 12:29 PMUTC
    Maintenance has completed successfully.
  • Update
    April 28, 2026 at 12:06 PMUTC
    Update
    April 28, 2026 at 12:06 PMUTC

    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 AMUTC
    In progress
    April 28, 2026 at 11:04 AMUTC

    Maintenance is now in progress, for approximately 1 hour.

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

    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.