PolymarketDocumentation/docs/quickstart/overview.md

Documentation Index

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

Developer Quickstart

Get started building with Polymarket APIs

Polymarket provides a suite of APIs and SDKs for building prediction market applications. This guide will help you understand what's available and where to find it.

---

What Can You Build?

If you want to...	Start here
Fetch markets & prices	Fetching Market Data
Place orders for yourself	Placing Your First Order
Build a trading app for users	Builders Program Introduction
Provide liquidity	Market Makers

---

APIs at a Glance

Markets & Data

**Market discovery & metadata**

Fetch events, markets, categories, and resolution data. This is where you discover what's tradeable.

`https://gamma-api.polymarket.com`

**Prices, orderbooks & trading**

Get real-time prices, orderbook depth, and place orders. The core trading API.

`https://clob.polymarket.com`

**Positions, activity & history**

Query user positions, trade history, and portfolio data.

`https://data-api.polymarket.com`

**Real-time updates**

Subscribe to orderbook changes, price updates, and order status.

`wss://ws-subscriptions-clob.polymarket.com`

Additional Data Sources

**Low-latency data stream**

Real-time crypto prices and comments. Optimized for market makers.

**Onchain queries**

Query blockchain state directly via GraphQL.

Trading Infrastructure

**Token split/merge/redeem**

Convert between USDC and outcome tokens. Essential for inventory management.

**Gasless transactions**

Builders can offer gasfree transactions via Polymarket's relayer.

---

SDKs & Libraries

`npm install @polymarket/clob-client` `pip install py-clob-client` `cargo add polymarket-client-sdk`

For builders routing orders for users:

Gasless wallet operations Builder authentication headers