API & Data Licensing
The Prediction Market Data Infrastructure Layer
Integrate the most complete, normalized dataset of global prediction markets into your trading systems, research models, or editorial platforms.PredictionHero aggregates and standardizes markets across major platforms—giving developers and analysts an institutional-grade single canonical data layer for prediction markets.What Makes PredictionHero Different
Most prediction platforms expose their own market data onlyPredictionHero provides Cross-Venue Market Normalization. Using our proprietary matching engine, we automatically match identical markets across all major platforms. Example:| Event | Polymarket | Kalshi | Opinion |
|---|---|---|---|
| Trump wins election | 63% | 57% | 60% |
- arbitrage scanners
- probability comparison dashboards
- macro sentiment trackers
- trading algorithms
Core API Capabilities: What You Get
1. Real-Time Market Data
Access live probability data across platforms and across all major categories.- probability / price
- liquidity
- volume
- spreads
- market depth
- time to resolution
2. Cross-Venue Price Comparisons
Identify mispriced probabilities and divergence for events across all major platforms.This includes pre-computed arbitrage opportunities across platforms:- best execution venue
- expected profit
- liquidity constraints
3. Historical Market Archives
Comprehensive datasets designed for backtesting models against past market movements, forecasting analysis, and predictive performance. Includes:- probability changes
- liquidity trends
- resolution outcomes
4. Market Sentiment Data
Aggregate probability shifts across thousands of markets. Quantifiable data on how the "crowd" is shifting before the mainstream moves.Useful for:- macro event forecasting
- sentiment models
- predictive analytics
5. Prediction Market Indices
Access proprietary PredictionHero indices. Each index includes underlying markets, weighting methodology, and historical performance. Example indices:- Global Election Index
- Global Conflict Index
- AI Regulation Index
- Recession Probability Index
6. Custom Endpoints
Need a specific data "view"? We can build custom endpoints tailored to your unique dashboard requirements.Why Partner with PredictionHero?
Developer-First Experience
PredictionHero APIs are built for fast integration.We provide high-fidelity JSON/CSV outputs designed to be easy and adaptable. To ensure a smooth launch, we offer a Sandbox Environment where your technical team can validate data mapping and system compatibility in a controlled setting prior to production.Media & Editorial Tools
Don’t just get the numbers; get the story. Access raw data or use our embeddable, auto-updating charts that keep your readers engaged as the data changes. Embed live prediction data directly into articles or broadcasts.This includes auto-updating charts, election probability widgets, and market sentiment dashboards. Perfect for newsrooms, newsletters, and research reports.99.9% Uptime SLA
Our infrastructure is built for high-traffic market events. We guarantee reliability and performance exactly when the story breaks and traffic spikes.Security & Compliance
Enterprise-grade security is our standard. All data is delivered via encrypted, secure channels, ensuring your integration remains robust and compliant.Enterprise integrations include API key authentication, rate-limit protection, and secure data delivery.Who Uses PredictionHero Data
We provide direct, dedicated support for all our partners, regardless of use case:- Editorial & Broadcast: Enhance reporting with real-time visualizations and authoritative probability data for news articles, blog posts, research publications, and broadcast segments.
- SaaS & Fintech: Power your analytics tools, trading systems, or prediction dashboards.
- Research & Academia: Access historical archives for high-fidelity trend analysis and modeling.