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Polymarket APIs and Data Providers

Choose Polymarket data access by coverage: markets, order books, wallet activity or historical records.

How to choose data apis

Which data do you need, and how will you receive it?

  • Match the provider to the entity you need: a market, outcome token, trade or wallet.
  • Check REST versus streaming delivery, authentication, coverage and rate limits.
  • Distinguish public data reads from signed account actions; an SDK is a separate choice.
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81 tools · 25–36 shown

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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.

  • 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
Convex Lake: Data endpoints, authentication and response-field documentation.
Convex Lake3.5Editorial
Dataset

Retrieve batch market data and historical order books across prediction venues and options markets for execution research and model testing.

  • Data coverage Order books · Trades · Prices
  • Access API · MCP
Crosswire: Prediction-market API and request example.
Crosswire3.5Editorial
Data API

Check whether Polymarket and Kalshi contracts settle the same way before comparing their prices.

  • Data coverage Resolution evidence · Cross-venue matches
  • Access API · MCP
Datadash — Wallet analytics
Datadash3.5Editorial
Analytics

Compare wallets or custom trader groups, score positions and receive alerts in the app or Telegram.

  • Access Web · Telegram · API · MCP
Desearch — forecasting research data: Numinous case study: evidence retrieval for forecasting models.
Desearch — forecasting research data3.5Editorial
Data API

Give forecasting agents web search, page extraction and social evidence through a usage-priced API documented in the Numinous research workflow.

  • Data coverage Web & social evidence
  • Access API
Dimes — product overview
Dimes3.5Editorial
Infrastructure

Embed Polymarket leverage in a terminal, mobile app or Telegram bot through an API that handles credit, margin and liquidation.

  • Access API · CLI
Eversight and Signals APIs: Eversight research composer and market attachment entry point.
Eversight and Signals APIs3.5Editorial
Research tool

Generate probabilistic forecasts and retrieve sourced signals for prediction-market questions through Numinous APIs.

  • Access Web · API
FinFeedAPI Prediction Markets: API products and integration entry points.
FinFeedAPI Prediction Markets3.5Editorial
Data API

Access normalized prediction-market listings, trades, quotes, order books and historical candles through REST, JSON-RPC or MCP.

  • Data coverage Markets · Trades · Prices · Order books
  • Access API · MCP
Futuur — Will Luiz Inácio Lula da Silva win Brazil's 2026 presidential election?
Futuur3.5Editorial
Platform

Explore global and Brazil-focused event markets, practice with virtual OOM or use the separate supported real-money trading mode.

  • Access Web · API