Polymarket - Scheduled Maintenance - Trading – Maintenance details

All systems operational

Scheduled Maintenance - Trading

Completed
Scheduled for August 13, 2026 at 4:30 AM – 5:00 AMUTC

Affects

Polymarket Web App

Under maintenance from 4:30 AM to 5:00 AM

Predictions

Under maintenance from 4:30 AM to 5:00 AM

Predictions Trading API (CLOB)

Under maintenance from 4:30 AM to 5:00 AM

Clob Websocket

Under maintenance from 4:30 AM to 5:00 AM

Updates
  • Completed
    August 13, 2026 at 5:00 AMUTC
    Completed
    August 13, 2026 at 5:00 AMUTC
    Maintenance has completed successfully
  • In progress
    August 13, 2026 at 4:30 AMUTC
    In progress
    August 13, 2026 at 4:30 AMUTC
    Maintenance is now in progress
  • Planned
    August 12, 2026 at 7:55 PMUTC
    Planned
    August 12, 2026 at 7:55 PMUTC

    We will perform scheduled maintenance on the CLOB 4:30AM UTC - 5AM UTC. During this window, users may receive HTTP 503 errors when placing or cancelling orders, or when viewing open orders and order status. Please cancel any unwanted open orders before maintenance begins.