> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.paradex.trade/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.paradex.trade/_mcp/server.

## v1.142.3

#### UI

* Enable subaccounts/vaults to manage keys.

#### API

* New endpoint `/system/portfolio-margin-config` to query portfolio margin config per asset.
* Add new base_asset WS subscription for BBO and Trades channels to subscribe to all options markets for a given asset concurrently.