PolymarketDocumentation/docs/perps/changelog.md

Documentation Index

Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt Use this file to discover all available pages before exploring further.

Changelog

Recent changes to the Polymarket Perps API and platform

Notable changes to the Polymarket Perps API.

Cancel responses now include `oid` and `coid` fields. Added a 20ms taker delay for orders that immediately match on entry. Added the reduce-only field to order submission and order updates.

• Added PATCH /v1/trade/auto-cancel to arm or clear a dead man's switch that cancels all open orders at a specified time.

<li>
  Added <code>GET /v1/account/auto-cancel</code> to check the current
  auto-cancel status, trigger count, and daily reset time.
</li>

<li>Auto-cancel is limited to 10 triggers per UTC day per account.</li>

<li>
  Added <code>updateLeverage</code> and <code>autoCancel</code> WebSocket
  post messages.
</li>

<li>
  <code>portfolio</code> and <code>balances</code> WebSocket channels no
  longer push updates on every order or fill, only periodically.
</li>

<li>
  Rate limit error messages now distinguish between{" "}
  <code>ip\_rate\_limited</code>, <code>action\_rate\_limited</code>, and{" "}
  <code>message\_rate\_limited</code>.
</li>