> ## Documentation Index
> Fetch the complete documentation index at: https://chainstack-docs-polygon-flatcalltracer-getproof.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Chainstack updates: April 27, 2023

> WSS WebSocket endpoints are now available for Chainstack nodes that have Warp transactions enabled, providing real-time access for fast trading workflows.

**Endpoints**. WSS endpoints are now available for nodes with Warp transactions enabled.