polymarket

Retrieve Polymarket market data, prices, and history from public REST APIs.

Updated Apr 16, 2026

Search Tags:#market-data #read-only #orderbook #prediction-markets #polymarket #prices

Ready to run

npx skills add https://github.com/jacardl/New-Radar --skill polymarket-jacardl

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: polymarket
Source: https://github.com/jacardl/New-Radar/tree/main/backend/frameworks/hermes-agent/skills/research/polymarket
Command: npx skills add https://github.com/jacardl/New-Radar --skill polymarket-jacardl

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

Polymarket data is scattered across multiple endpoints; this skill consolidates read-only market data from Polymarket's public REST APIs for quick exploration and decision making.

Core Features & Use Cases

Search and discovery: find markets and events using the Gamma public API.
Prices, orderbooks & history: fetch current prices, orderbook data, and price history via Gamma, CLOB, and Data APIs.
No-auth, read-only: all endpoints are public and require zero authentication.

Quick Start

Query Polymarket data for a market or event slug to fetch current prices and price history.

Frequently Asked Questions about polymarket

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

FAQPage Schema

How do I retrieve Polymarket prices and orderbook data without authentication?▼

You can retrieve Polymarket prices and orderbook data without authentication by accessing the public REST APIs. This read-only skill consolidates Gamma, CLOB, and Data APIs to fetch current market prices, orderbook depth, and price history with zero auth requirements.

Can I search Polymarket events and markets using public APIs?▼

Yes, you can search Polymarket events and markets using the Gamma public API. This enables market discovery and event lookup by slug, returning consolidated market data for quick exploration and decision making without needing API keys.

What is the best way to fetch Polymarket price history for a specific market?▼

The best way to fetch Polymarket price history is querying the Data and CLOB public APIs with a market or event slug. This returns historical price data and orderbook records, handling double-encoded JSON fields and price formatting automatically.

Does Polymarket API data require authentication for read-only access?▼

Polymarket API data does not require authentication for read-only access. All endpoints used for market search, price lookup, and orderbook retrieval are public, needing zero API keys or auth tokens to fetch current market data and history.

Why does Polymarket API JSON data appear double-encoded when fetching prices?▼

Polymarket API JSON data appears double-encoded because certain fields in the REST responses contain nested JSON strings. This skill handles double-encoded JSON field parsing and price formatting to deliver clean, readable market data and orderbook information.

What limitations exist when using public APIs for Polymarket market data retrieval?▼

Limitations of public Polymarket API data retrieval include read-only access with no trading or order placement capability. It is restricted to fetching market data, prices, orderbooks, and history via Gamma, CLOB, and Data APIs with basic error handling.