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

# Overview

> List available markets and trading status for Order Routing.

Use [List Markets](/api-reference/endpoints/market-data/list-markets) to discover available markets and trading status.

For real-time order book, top-of-book, and execution data, use the [Smart Order Routing WebSocket API](/api-reference/websockets/smart-order-routing-overview).