Historical prediction market data API for backtesting and research
Private payments that leave no trail
Stage
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Founded
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Based in
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Pricing model
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Free
Pricing
Free Trial: $0 (5 file downloads, no credit card required). Single Exchange: $99/month (unlimited downloads for one exchange - Polymarket or Predict.fun, daily updates). Pro: $199/month (all exchanges including Polymarket, Polymarket Perpetuals, Predict.fun, and Binance, daily updates). Enterprise:
Flat fees per transaction: 0.00015 ETH / BNB for native coins, 1.00 for stablecoins; 0.35% rate applied to all assets. Pool minimums: 0.0005 native coin or 1.00 stablecoin.
Key features
Tick-level trades with precise timestamps, prices, and volumes
Full order book depth updates on every change
Best bid/ask quotes updated on every top-of-book change
Daily order book snapshots for efficient analysis
Crypto resolution prices from Polymarket's oracle feeds
Onchain wallet data for tracking large traders
Normalized event schema across all exchanges
Python SDK and REST API for data access
Polymarket Perpetuals with funding rates and open interest
Shield funds into private pools with no fixed denominations
Send privately to any address with relayer paying gas
Swap inside pools on Uniswap V3 and re-shield output
Bridge across chains via NEAR Intents without revealing recipient on origin chain
Recover funds from signature alone if any step fails
Private account derived from single wallet signature
Support for 5 EVM chains plus Solana
CLI for private payments via command line
What makes it different
1M+ markets with 100B+ data points spanning 3+ years of history
Complete onchain history from Polymarket inception
Redundant collection with multiple independent websocket connections
Tick-by-tick capture of all order book changes without sampling
One normalized schema and API across all supported exchanges
No fixed denominations or waiting periods for anonymity
Completely non-custodial with no operator control over funds
Relayer pays gas so paying wallet never appears on-chain after deposit
All keys and proofs stay in browser, nothing sent to server
Intent-based bridges hide recipient from origin chain
Blackpool