polymarket

Polymarket Comprehensive Skill

Complete assistance with Polymarket development - covering the full platform (API, trading, market data) and the real-time data streaming client (WebSocket subscriptions for live market activity).

When to Use This Skill

This skill should be triggered when:

Platform & API:

• Working with Polymarket prediction markets
• Using Polymarket API for market data
• Implementing trading strategies
• Building applications with Polymarket services
• Learning Polymarket best practices

Real-Time Data Streaming:

• Connecting to Polymarket's WebSocket service
• Building prediction market monitoring tools
• Processing live trades, orders, and market updates
• Monitoring market comments and social reactions
• Tracking RFQ (Request for Quote) activity
• Integrating crypto price feeds

Quick Reference

Real-Time Data Client Setup

Installation:

npm install @polymarket/real-time-data-client

Basic Usage:

import { RealTimeDataClient } from "@polymarket/real-time-data-client";

const onMessage = (message: Message): void => {
    console.log(message.topic, message.type, message.payload);
};

const onConnect = (client: RealTimeDataClient): void => {
    client.subscribe({
        subscriptions: [{
            topic: "activity",
            type: "trades"
        }]
    });
};

new RealTimeDataClient({ onMessage, onConnect }).connect();

Supported WebSocket Topics

1. Activity (activity)

• trades - Completed trades
• orders_matched - Order matching events
• Filters: {"event_slug":"string"} OR {"market_slug":"string"}

2. Comments (comments)

• comment_created, comment_removed
• reaction_created, reaction_removed
• Filters: {"parentEntityID":number,"parentEntityType":"Event"}

3. RFQ (rfq)

• Request/Quote lifecycle events
• No filters, no auth required

4. Crypto Prices (crypto_prices, crypto_prices_chainlink)

• update - Real-time price feeds
• Filters: {"symbol":"BTC"} (optional)