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Polymarket SDKs and Developer Libraries

Find a Polymarket client library for your language, API surface and deployment environment.

How to choose sdks & libraries

Which library fits your application?

  • Start with the language and runtime already used by your application.
  • Check the API coverage, installation instructions, license and maintenance activity.
  • Library access does not include every data entitlement or remove venue and infrastructure costs.
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25 tools · 13–24 shown

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polymarket-api-python: Python toolkit quickstart and public book reads.
polymarket-api-python3.5Editorial
SDK

A compact typed Python client for Gamma discovery, computed order-book metrics and resilient CLOB streams, with trading as an optional extra.

  • Language Python
Polynode: Charts SDK example and supported real-time data displays.
Polynode3.5Editorial
Data API

Build Polymarket applications with filtered trade and settlement streams, wallet history, enriched market data and order-book subscriptions.

  • Access API · CLI
PolyOrderbooks: Historical L2 product overview and provider book example.
PolyOrderbooks3.5Editorial
Dataset

Query historical Polymarket crypto and sports order books at 250 ms resolution, or replay a crypto strategy against recorded depth.

  • Access Web · API · MCP
prediction-market-backtesting: Framework overview and release capabilities.
prediction-market-backtesting3.5Editorial
SDK

Build Polymarket strategy replays on NautilusTrader with historical vendor data, joint portfolios, parameter experiments and detailed charts.

  • Language Python · Rust
River Markets — One API for every venue you trade.
River Markets3.5Editorial
Trading terminal

Manage multi-venue order books, execution algorithms, positions and PnL through a professional terminal or a signed REST/WebSocket API.

  • Access Web · API
Simmer SDK: SDK introduction and available integration paths.
Simmer SDK3.5Editorial
SDK

Build prediction-market agents with market research, multiple paper modes, historical replay and supported live-venue integrations.

  • Language Python
  • Access CLI
Telonex — Historical Polymarket data for backtesting and research
Telonex3.5Editorial
Dataset

Download daily Parquet files of prediction-market trades, quotes, order-book events and on-chain fills for reproducible historical research.

  • Access API
Unifai — Top Performers
UnifAI3.5Editorial
Platform

Create or adapt automated DeFi strategies, including documented Polymarket endgame workflows, through an agent platform and developer tools.

  • Access Web
OrderbookTrade: Orderbook Trade — How it works
OrderbookTrade3.0Editorialrestricted
Infrastructure

Integrate prediction-market execution, order-book matching and market-making infrastructure through a shared API and WebSocket layer.

  • Access API
Poly SDK: Features, installation and service architecture.
Poly SDK3.0Editorial
SDK

A third-party TypeScript toolkit combining Polymarket data clients, wallet research, copying and arbitrage-oriented strategy services.

  • Language TypeScript
Predictefy — product overview
Predictefy3.0Editorial
Data API

Compare matched prediction markets, stream normalized data and develop multi-venue strategies with a terminal, API and SDK.

  • Access Web · API · MCP
Polymarket Agents (GitHub): Agent framework and modular research features.
Polymarket Agents (GitHub)2.5Editorial
SDK

Explore Polymarket’s open-source Python framework for combining market data, retrieved research, LLM prompts and agent execution.

  • Language Python
  • Access CLI