Unified Market Feed
Normalized data across Polymarket, Kalshi, Novig, and more — one integration, every platform.
Developer First
Up and running
in minutes
One endpoint, clean JSON, consistent schemas across every platform. No massaging raw data from multiple different APIs.
- ✓Normalized market schema across all platforms
- ✓WebSocket available for real-time data feeds
- ✓SDKs for Python, Java, and Go
- ✓OpenAPI prompt included
What's included
Everything you need to build
Pre-Match & In-Play Odds
Full odds coverage from market open through resolution. Pre-match lines and live in-play prices updated in real time.
Scores & Settlements
Every market includes resolution outcomes and settlement data — everything you need to determine results and label training data.
Historical Data
Deep backtesting archives with full resolution tick data and settlement outcomes.
Consensus Pricing
Aggregate implied probabilities across platforms. Build your own no-vig reference price.
RESTful & WebSocket APIs
Pull data on demand via REST or subscribe to real-time streams via WebSocket. One integration, two access patterns.
Pricing
Start free, scale with confidence
Signal
$0
The easiest way to start building with prediction market data.
✓2,000 entities per month
✓10 requests per minute
✓5 min update frequency
✓3 platforms
✓Community support
Most Popular
Edge
$49/mo
Perfect for side projects, personal tools, and exploring what's possible with prediction market data.
✓100,000 entities per month
✓50 requests per minute
✓Sub-minute update frequency
✓All platforms
✓All markets and categories
✓90 day historical data
✓Email support
✓Discord Channel
Alpha
$199/mo
For production apps, platforms, and teams that need reliable, high-frequency data, full history, and scale.
✓3,000,000 entities per month
✓200 requests per minute
✓Fastest updates
✓All platforms
✓All markets and categories
✓Full historical archive
✓Priority support
✓Discord Channel
Use Cases
What will you build?
Builders across the prediction market ecosystem rely on our data infrastructure.
Arbitrage & Value Tools
- —Cross-platform scanners
- —Implied probability comparisons
- —Kelly criterion calculators
- —Alert pipelines
ML & Quant Models
- —Historical training datasets
- —Real-time feature feeds
- —Outcome labeling
- —Backtesting infrastructure
Prediction Platforms
- —Consensus price feeds
- —Market discovery
- —Resolution data
- —Liquidity metrics
Research & Media
- —Embed live markets
- —Forecast aggregation
- —Academic datasets
- —Editorial dashboards
FAQ
Common questions
Start building today
Free plan, no credit card required. Full API access from day one.