BlockRun
All Data Sources

PARTNER

Predexon

Prediction Market Data for AI Agents

Real-time prediction market data from Predexon. This catalog is generated from the live BlockRun registry, so the endpoints below match the routes you can actually call via x402.

46 endpoints live on Base

Capabilities

46 Endpoints
Prediction markets, wallet analytics, smart money, and cross-market matching through one x402 gateway.
9 Categories
Polymarket, Kalshi, dFlow, Binance, matching markets, and more, all mapped directly from the live registry.
Pay Per Request
GET requests: $0.001. POST queries: $0.005. No API keys, no subscriptions — just USDC on Base.

Pricing

Pass-through pricing with 0% BlockRun margin. Payments go directly to Predexon's treasury wallet via x402.

GET
$0.001
per request
Market data and historical snapshots
POST
$0.005
per query
Wallet analytics, smart money, and matching endpoints

API Reference

Base URL: https://blockrun.ai/api/v1/pm/

Send any request without a payment header to get a 402 response with the exact price. Attach an x402 payment header to receive data.

Polymarket

EndpointMethodPriceDescription
/api/v1/pm/polymarket/marketsGET$0.0010Query Polymarket markets with filtering, sorting, and pagination
/api/v1/pm/polymarket/markets/keysetGET$0.0010List Polymarket markets with cursor-based keyset pagination (same filters as /polymarket/markets)
/api/v1/pm/polymarket/eventsGET$0.0010List Polymarket events with filtering and sorting
/api/v1/pm/polymarket/events/keysetGET$0.0010List Polymarket events with cursor-based keyset pagination
/api/v1/pm/polymarket/crypto-updownGET$0.0010List crypto up/down prediction markets
/api/v1/pm/polymarket/market-price/:token_idGET$0.0010Get current or historical price for a specific token
/api/v1/pm/polymarket/candlesticks/:condition_idGET$0.0010Get historical OHLCV candlestick data for a market
/api/v1/pm/polymarket/candlesticks/token/:token_idGET$0.0010Get historical OHLCV candlestick data for a single outcome token
/api/v1/pm/polymarket/volume-chart/:condition_idGET$0.0010Get volume chart with YES/NO breakdown for a market
/api/v1/pm/polymarket/orderbooksGET$0.0010Get historical orderbook snapshots for a token
/api/v1/pm/polymarket/tradesGET$0.0010Query historical Polymarket trade data with flexible filtering
/api/v1/pm/polymarket/activityGET$0.0010Fetch trading activity (merges, splits, redeems) for a user
/api/v1/pm/polymarket/markets/:token_id/volumeGET$0.0010Get historical cumulative volume data for a market
/api/v1/pm/polymarket/markets/:condition_id/open_interestGET$0.0010Get historical open interest data for a market
/api/v1/pm/polymarket/positionsGET$0.0010Fetch all user positions with filtering and pagination
/api/v1/pm/polymarket/leaderboardGET$0.0010Get the global leaderboard of smart wallets
/api/v1/pm/polymarket/leaderboard/market/:condition_idGET$0.0010Get leaderboard for a specific market
/api/v1/pm/polymarket/cohorts/statsGET$0.0010Compare performance across trading style cohorts
/api/v1/pm/polymarket/market/:condition_id/top-holdersGET$0.0010Get top holders for a specific market ranked by position size
/api/v1/pm/polymarket/wallet/:walletGET$0.0050Get a complete smart wallet profile with all metrics
/api/v1/pm/polymarket/wallet/:wallet/marketsGET$0.0050Get per-market performance breakdown for a wallet
/api/v1/pm/polymarket/wallet/:wallet/similarGET$0.0050Find wallets with similar market portfolios
/api/v1/pm/polymarket/wallet/pnl/:walletGET$0.0050Get P&L summary and realized P&L time series for a wallet
/api/v1/pm/polymarket/wallet/positions/:walletGET$0.0050Get open and historical positions for a wallet address
/api/v1/pm/polymarket/wallet/volume-chart/:walletGET$0.0050Get volume chart broken down by BUY/SELL side for a wallet
/api/v1/pm/polymarket/wallets/profilesGET$0.0050Batch retrieve wallet profiles for multiple addresses
/api/v1/pm/polymarket/wallets/filterGET$0.0050Filter wallets by market trades with AND/OR logic
/api/v1/pm/polymarket/market/:condition_id/smart-moneyGET$0.0050View smart money positioning on a specific market
/api/v1/pm/polymarket/markets/smart-activityGET$0.0050Discover markets where high-performing wallets are active

Kalshi

EndpointMethodPriceDescription
/api/v1/pm/kalshi/marketsGET$0.0010Query Kalshi markets with filtering, sorting, and pagination
/api/v1/pm/kalshi/tradesGET$0.0010Fetch historical Kalshi trade data
/api/v1/pm/kalshi/orderbooksGET$0.0010Fetch historical orderbook snapshots for a Kalshi market

Binance

EndpointMethodPriceDescription
/api/v1/pm/binance/candles/:symbolGET$0.0050Get OHLCV candlestick data for a Binance trading pair
/api/v1/pm/binance/ticks/:symbolGET$0.0050Get raw book ticker data at microsecond granularity

Cross-Market Matching

EndpointMethodPriceDescription
/api/v1/pm/markets/searchGET$0.0050Search markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun in a single call

Limitless

EndpointMethodPriceDescription
/api/v1/pm/limitless/marketsGET$0.0010List Limitless markets with filtering and sorting
/api/v1/pm/limitless/orderbooksGET$0.0010Fetch historical orderbook snapshots for a Limitless market

Opinion

EndpointMethodPriceDescription
/api/v1/pm/opinion/marketsGET$0.0010List Opinion markets with filtering and sorting
/api/v1/pm/opinion/orderbooksGET$0.0010Fetch historical orderbook snapshots for an Opinion market

Predict.Fun

EndpointMethodPriceDescription
/api/v1/pm/predictfun/marketsGET$0.0010List Predict.Fun markets with filtering and sorting
/api/v1/pm/predictfun/orderbooksGET$0.0010Fetch historical orderbook snapshots for a Predict.Fun market

Quick Start

Fetch Polymarket events with a single curl command:

# 1. Discover the price (no payment needed)
curl https://blockrun.ai/api/v1/pm/polymarket/events
# Returns: 402 with price ($0.001) and payment instructions

# 2. Make a paid request (with x402 payment header)
curl https://blockrun.ai/api/v1/pm/polymarket/events \
  -H "x-payment: <x402_payment_token>"
# Returns: 200 with Polymarket event data

Use the BlockRun Python SDK or TypeScript SDK to handle x402 payment automatically.

Start using Predexon data

Fund your wallet with USDC on Base and start querying prediction market data immediately. No registration required.