Polymarket - Scheduled CLOB maintenance – Maintenance details

Scheduled CLOB maintenance

Completed
Scheduled for August 26, 2026 at 4:00 AM – 7:30 AMUTC

Affects

Predictions

Under maintenance from 4:00 AM to 7:30 AM

Predictions Trading API (CLOB)

Under maintenance from 4:00 AM to 7:30 AM

Clob Websocket

Under maintenance from 4:00 AM to 7:30 AM

Updates
  • Completed
    August 26, 2026 at 7:30 AMUTC
    Completed
    August 26, 2026 at 7:30 AMUTC
    Maintenance has completed successfully
  • Update
    August 26, 2026 at 6:56 AMUTC
    Update
    August 26, 2026 at 6:56 AMUTC

    We are in-process of restoring databases to previous snapshots. Trading is still degraded. Expected resolution is 7:30am UTC.

  • Update
    August 26, 2026 at 5:50 AMUTC
    Update
    August 26, 2026 at 5:50 AMUTC

    The team is still addressing the issue, the maintenance window for CLOB will be extended by another 1 hour till 7am UTC.

  • Update
    August 26, 2026 at 4:53 AMUTC
    Update
    August 26, 2026 at 4:53 AMUTC

    Apologies, due to technical issues the maintenance window for CLOB will be extended by 1 hour till 6am UTC.

  • In progress
    August 26, 2026 at 4:00 AMUTC
    In progress
    August 26, 2026 at 4:00 AMUTC
    Maintenance is now in progress
  • Planned
    August 25, 2026 at 6:24 PMUTC
    Planned
    August 25, 2026 at 6:24 PMUTC

    A scheduled CLOB release requires a brief restart, with downtime of up to ~10 minutes. Order placement, cancels, and fills may be temporarily unavailable.