Quickstart
Get your API key and make your first call in under 5 minutes.
API Reference
Browse all endpoints with interactive playground.
MCP Plugin
Add Rekko tools to your AI coding assistant in one command.
Pricing
Free tier included. Pay-as-you-go or subscribe.
What you can build
Trading Agents
Autonomous agents that screen markets, generate signals, and execute trades via Kalshi, Polymarket, or Robinhood.
Portfolio Management
Correlation analysis, Kelly-optimal sizing, and hedge recommendations across your positions.
Arbitrage Detection
Real-time cross-platform arbitrage scanning with spread scoring and execution guidance.
How it works
List markets
Browse active prediction markets on Kalshi, Polymarket, and Robinhood with live pricing and volume data.
Get AI analysis
Trigger deep research that produces probability estimates, confidence scores, and causal factor decomposition.
Generate signals
Get actionable trading signals with Kelly-derived position sizing, edge calculation, and risk ratings.
Access methods
| Method | Best for | Auth |
|---|---|---|
| Direct API | Full control, any language | Bearer token |
| MCP Server | AI coding assistants | Bearer token via env var |
| RapidAPI | Quick prototyping, marketplace billing | RapidAPI key |
| x402 Micropayments | Crypto-native agents | USDC on Base L2 |