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Polymarket APIs, Data and Developer Tools

Build your integration with the right combination of APIs, SDKs, streams and data infrastructure.

How to choose developer tools

Which component does your integration need next?

  • Choose the data or action first: market discovery, books, wallet activity or order operations.
  • Use an SDK for a language-specific client, or a CLI for command-line workflows.
  • Treat historical datasets, live streams and infrastructure as separate integration decisions.
All categoriesData APIs81SDKs & libraries25Historical data34MCP servers29Official developer tools10Streaming data17CLI tools9On-chain data6Starter projects & resources6
118 tools · 25–36 shown

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Find the right tools

Adanos Market Sentiment API: Polymarket stock-sentiment API and ticker-discovery entry point.
Adanos Market Sentiment API3.5Editorial
Data API

Aggregate Polymarket activity by stock ticker and compare it with Reddit, X and news sentiment through one API subscription.

  • Data coverage Markets · Sentiment
  • Access API · CLI
Adjacent: Editorial market research and newsletter archive.
Adjacent3.5Editorial
Research tool

Follow event-contract benchmarks, thematic indices, reference rates and news organized around prediction-market moves.

  • Access Web · API · Email
ArbBets entry page with a cross-venue YES/NO pricing example.
ArbBets3.5Editorial
Data API

Scan cross-venue price differences, inspect the proposed legs and costs, and access opportunity data through a paid API.

  • Data coverage Cross-venue matches
  • Access Web · API
ARBITER: Unified data API entry page and sample market view.
ARBITER3.5Editorial
Data API

Query normalized Polymarket and Kalshi markets, historical books, wallet analytics and matched events through one data API.

  • Data coverage Markets · Events · Order books · Trades · Prices · Positions · Cross-venue matches
  • Access API
Ask Gina: Research-and-wallet assistant with an embedded product demonstration.
Ask Gina3.5Editorial
Platform

Research Polymarket, place orders and run scheduled wallet automations through a conversational agent or a connected AI client.

  • Access Web · MCP
Assymetrix: Prediction-market API overview and supported platforms.
Assymetrix3.5Editorial
Data API

Query prediction-market metadata, prices, trades and order books across venues through a normalized data API.

  • Data coverage Markets · Events · Prices · Trades · Order books
  • Access Web · API
Azuro — product overview
Azuro3.5Editorial
Infrastructure

Build prediction and sports-betting interfaces on shared liquidity, data feeds and protocol tooling, or research the liquidity-provider side of the ecosystem.

  • Access API
Bankr: Agent platform entry points for chat, trading and integrations.
Bankr3.5Editorial
Platform

Search Polymarket and manage orders, shares and redemptions through a conversational agent available in Telegram, web and developer interfaces.

  • Access Web · Telegram · API · CLI
Billy: Sports slate with model lines and game-level notes.
Billy3.5Editorial
Research tool

Compare sports prices with money-flow, wallet, analyst and model signals, or query the same game research through a free MCP server.

  • Access Web · MCP
Bravado: Prediction-market infrastructure overview.
Bravado3.5Editorial
Trading terminal

Integrate historical data, live streams, account economics and supported execution through a shared prediction-market infrastructure stack.

  • Trading mode Manual · Live automation
  • Access Web · API
ClearMarket: Public reference API, resolution grades and MCP quickstart.
ClearMarket3.5Editorial
Research tool

Inspect resolution-source quality, catalysts and cross-venue question links through a public reference API and MCP server.

  • Access Web · API · MCP
Codex Prediction Markets API: Polymarket GraphQL integration and authentication introduction.
Codex Prediction Markets API3.5Editorial
Data API

Query Polymarket and Kalshi market data, trader analytics, outcome charts and ranking signals through a unified GraphQL API.

  • Data coverage Markets · Events · Prices · Trades · Positions
  • Access API