PredictionToolkit
A live multi-venue data portal for canonical markets and history, alongside a separate consumer-platform preview.
- Access Web · API
Find your toolkit
Polymarket APIs and data providers | Page 3
Choose an API by the information your application needs and how it must arrive. Official endpoints and third-party providers can serve different roles in market discovery, prices, order books, wallet research and historical analysis.
How to choose data apis
Start with the entity you need
Gamma is the starting point for market metadata, CLOB for an outcome-token book, and Data API for public wallet activity or rankings. A provider’s broad market coverage does not mean every route returns the same records or identifiers.
Compare the exact route
- Keep event IDs, Gamma market IDs, condition IDs and outcome-token IDs distinct when joining responses.
- Read the response envelope and pagination scheme: Gamma keyset responses use markets or events; Data v2 paged reads use data and pagination.
- Check dataset coverage, history, stream support, rate limits and output format for the endpoint you will actually call.
- Compare authentication and provider access terms separately from the choice of client library.
Public data reads and authenticated account actions need different handling. A route for reading a book is not permission to submit a signed order. Establish that boundary before selecting an SDK, stream or assistant connection.
88 tools · 25–36 shown
Shared liquidity, event data and developer tools for independent prediction and sports-betting applications.
- Access API
Compare sports prices and signal reasons in the app or query the same precomputed game research through MCP.
- Access Web · MCP
Join historical data, live streams, account economics and supported execution through one infrastructure stack.
- Access Web · API
Compare resolution sources and clarity grades, then follow question-level links across Polymarket and Kalshi.
- Access Web · API · MCP
A unified GraphQL data layer for discovery, outcome charts, activity rankings and wallet analytics across supported venues.
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Retrieve historical prediction and options datasets for depth research, model testing and repeatable batch ingestion.
- Access API · MCP
Structured settlement comparisons for covered Polymarket and Kalshi contract pairs.
- Access API · MCP
Build wallet groups, inspect copyability and receive cohort alerts in-app or through Telegram.
- Access Web · Telegram · API · MCP
Usage-priced web and social retrieval for forecasting agents, documented through a Numinous integration case study.
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A credit layer for adding quoted Polymarket leverage to an existing trading interface.
- Access API · CLI
Request probabilities and retrieve attributed market signals through separate Numinous research APIs.
- Access Web · API