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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.

58 endpoints live on Base

Capabilities

58 Endpoints
Prediction markets, wallet analytics, smart money, and cross-market matching through one x402 gateway.
11 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$0.001Query Polymarket markets with filtering, sorting, and pagination
/api/v1/pm/polymarket/markets/keysetGET$0.001List Polymarket markets with cursor-based keyset pagination (same filters as /polymarket/markets)
/api/v1/pm/polymarket/eventsGET$0.001List Polymarket events with filtering and sorting
/api/v1/pm/polymarket/events/keysetGET$0.001List Polymarket events with cursor-based keyset pagination
/api/v1/pm/polymarket/crypto-updownGET$0.001List crypto up/down prediction markets
/api/v1/pm/polymarket/market-price/:token_idGET$0.001Get current or historical price for a specific token
/api/v1/pm/polymarket/candlesticks/:condition_idGET$0.001Get historical OHLCV candlestick data for a market
/api/v1/pm/polymarket/candlesticks/token/:token_idGET$0.001Get historical OHLCV candlestick data for a single outcome token
/api/v1/pm/polymarket/volume-chart/:condition_idGET$0.001Get volume chart with YES/NO breakdown for a market
/api/v1/pm/polymarket/orderbooksGET$0.001Get historical orderbook snapshots for a token
/api/v1/pm/polymarket/tradesGET$0.001Query historical Polymarket trade data with flexible filtering
/api/v1/pm/polymarket/activityGET$0.001Fetch trading activity (merges, splits, redeems) for a user
/api/v1/pm/polymarket/markets/:token_id/volumeGET$0.001Get historical cumulative volume data for a market
/api/v1/pm/polymarket/markets/:condition_id/open_interestGET$0.001Get historical open interest data for a market
/api/v1/pm/polymarket/positionsGET$0.001Fetch all user positions with filtering and pagination
/api/v1/pm/polymarket/leaderboardGET$0.001Get the global leaderboard of smart wallets
/api/v1/pm/polymarket/leaderboard/market/:condition_idGET$0.001Get leaderboard for a specific market
/api/v1/pm/polymarket/cohorts/statsGET$0.001Compare performance across trading style cohorts
/api/v1/pm/polymarket/market/:condition_id/top-holdersGET$0.001Get top holders for a specific market ranked by position size
/api/v1/pm/polymarket/wallet/:walletGET$0.005Get a complete smart wallet profile with all metrics
/api/v1/pm/polymarket/wallet/:wallet/marketsGET$0.005Get per-market performance breakdown for a wallet
/api/v1/pm/polymarket/wallet/:wallet/similarGET$0.005Find wallets with similar market portfolios
/api/v1/pm/polymarket/wallet/pnl/:walletGET$0.005Get P&L summary and realized P&L time series for a wallet
/api/v1/pm/polymarket/wallet/positions/:walletGET$0.005Get open and historical positions for a wallet address
/api/v1/pm/polymarket/wallet/volume-chart/:walletGET$0.005Get volume chart broken down by BUY/SELL side for a wallet
/api/v1/pm/polymarket/wallets/profilesGET$0.005Batch retrieve wallet profiles for multiple addresses
/api/v1/pm/polymarket/wallets/filterGET$0.005Filter wallets by market trades with AND/OR logic
/api/v1/pm/polymarket/market/:condition_id/smart-moneyGET$0.005View smart money positioning on a specific market
/api/v1/pm/polymarket/markets/smart-activityGET$0.005Discover markets where high-performing wallets are active

Kalshi

EndpointMethodPriceDescription
/api/v1/pm/kalshi/marketsGET$0.001Query Kalshi markets with filtering, sorting, and pagination
/api/v1/pm/kalshi/tradesGET$0.001Fetch historical Kalshi trade data
/api/v1/pm/kalshi/orderbooksGET$0.001Fetch historical orderbook snapshots for a Kalshi market

dFlow

EndpointMethodPriceDescription
/api/v1/pm/dflow/tradesGET$0.001Fetch trade history for a wallet on dFlow
/api/v1/pm/dflow/wallet/positions/:walletGET$0.005Fetch current positions for a dFlow wallet
/api/v1/pm/dflow/wallet/pnl/:walletGET$0.005Fetch realized profit and loss history for a dFlow wallet

Binance

EndpointMethodPriceDescription
/api/v1/pm/binance/candles/:symbolGET$0.005Get OHLCV candlestick data for a Binance trading pair
/api/v1/pm/binance/ticks/:symbolGET$0.005Get raw book ticker data at microsecond granularity

Cross-Venue Canonical Markets & Search

EndpointMethodPriceDescription
/api/v1/pm/matching-marketsGET$0.005Find equivalent markets across Polymarket and Kalshi
/api/v1/pm/matching-markets/pairsGET$0.005Get all active exact-matched market pairs
/api/v1/pm/markets/searchGET$0.005Search markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun in a single call
/api/v1/pm/marketsGET$0.001List canonical market/question containers with cross-venue Predexon IDs
/api/v1/pm/markets/listingsGET$0.001List venue-native executable listings flattened across canonical markets
/api/v1/pm/outcomes/:predexon_idGET$0.001Resolve a canonical Predexon outcome ID to its market context and venue listings

Sports

EndpointMethodPriceDescription
/api/v1/pm/sports/categoriesGET$0.001List available sports categories
/api/v1/pm/sports/marketsGET$0.001List sports markets grouped by game
/api/v1/pm/sports/markets/:game_idGET$0.001Get a single sports game with all venue outcomes
/api/v1/pm/sports/outcomes/:predexon_idGET$0.001Find all equivalent sports outcomes across venues for a Predexon ID

Limitless

EndpointMethodPriceDescription
/api/v1/pm/limitless/marketsGET$0.001List Limitless markets with filtering and sorting
/api/v1/pm/limitless/orderbooksGET$0.001Fetch historical orderbook snapshots for a Limitless market

Opinion

EndpointMethodPriceDescription
/api/v1/pm/opinion/marketsGET$0.001List Opinion markets with filtering and sorting
/api/v1/pm/opinion/orderbooksGET$0.001Fetch historical orderbook snapshots for an Opinion market

Predict.Fun

EndpointMethodPriceDescription
/api/v1/pm/predictfun/marketsGET$0.001List Predict.Fun markets with filtering and sorting
/api/v1/pm/predictfun/orderbooksGET$0.001Fetch historical orderbook snapshots for a Predict.Fun market

UMA Oracle

EndpointMethodPriceDescription
/api/v1/pm/polymarket/uma/marketsGET$0.001List UMA oracle questions filtered by state (proposed, disputed, resolved, …)
/api/v1/pm/polymarket/uma/market/:condition_idGET$0.001Get current UMA oracle status and event timeline for a single market

Wallet Identity & Clustering

EndpointMethodPriceDescription
/api/v1/pm/polymarket/wallet/identity/:walletGET$0.005Fetch identity and profile metadata for a wallet address
/api/v1/pm/polymarket/wallet/identitiesPOST$0.005Bulk identity lookup for up to 200 wallet addresses (POST body: {addresses: [..]})
/api/v1/pm/polymarket/wallet/:address/clusterGET$0.005Discover wallets connected to a seed address via on-chain transfers and identity proofs

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.