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polymarket

Fetches Polymarket markets, prices, orderbooks, and history via public APIs.

1|Updated Apr 21, 2026
Search Tags:#market-data#orderbook#data-api#prediction-markets#polymarket#prices#gamma-api
One-click install
npx skills add https://github.com/ChangZhou-xj/zxj_skill --skill polymarket-changzhou-xj
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: polymarket
Source: https://github.com/ChangZhou-xj/zxj_skill/tree/main/research/polymarket
Command: npx skills add https://github.com/ChangZhou-xj/zxj_skill --skill polymarket-changzhou-xj

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

Polymarket data is scattered across public APIs. This Skill provides a single, read-only interface to query Polymarket for markets, prices, orderbooks, and price history without requiring authentication.

Core Features & Use Cases

  • Read-only data access to Polymarket via Gamma, CLOB, and Data APIs for markets, prices, orderbooks, and history.
  • Discovery and lookup of events and markets by title or slug, with formatted results.
  • Use cases include answering odds questions, tracking market movement, and extracting price history for analysis.

Quick Start

Ask Polymarket for the latest odds on a market or its price history and volume.

Frequently Asked Questions about polymarket

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I get current Polymarket prices and odds for prediction markets?▼

To get current Polymarket prices and odds, query the CLOB API for live prices and orderbooks, or use the Gamma API for market discovery. The Skill formats prices as percentages and presents volumes in human-readable units without requiring authentication.

What is the best way to fetch Polymarket price history and trading volume?▼

The best way to fetch Polymarket price history and trading volume is through the Data API, which provides historical trades and open interest data. The Skill applies read-only access to retrieve and format this data for analysis.

Can I retrieve Polymarket orderbook data without authentication?▼

Yes, you can retrieve Polymarket orderbook data without authentication. The Skill provides read-only access to the CLOB API to fetch live orderbooks and prices for prediction markets.

How do I discover and lookup Polymarket events by title or slug?▼

To discover and lookup Polymarket events by title or slug, use the Gamma API for market discovery. The Skill handles double-encoded fields such as outcomePrices, outcomes, and clobTokenIds, and returns formatted results.

Does the Polymarket data interface support live orderbook depth and market movement tracking?▼

Yes, the Polymarket data interface supports live orderbook depth and market movement tracking. It uses the CLOB API for live orderbooks and the Data API for historical trades, enabling users to track market movement over time.

Why do Polymarket API fields like outcomePrices appear double-encoded and how are they handled?▼

Polymarket API fields like outcomePrices, outcomes, and clobTokenIds appear double-encoded due to the data source's serialization. The Skill automatically decodes these fields and formats prices as percentages for clear presentation.

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