> ## Documentation Index
> Fetch the complete documentation index at: https://rekko.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Prediction Market Intelligence API

> Deep AI research, causal analysis, and trading signals for Kalshi, Polymarket, Robinhood, and Coinbase.

Rekko AI is the intelligence layer for prediction markets. Get research-backed probability estimates, causal decomposition of price drivers, portfolio-aware trading signals, and cross-platform arbitrage detection — all through a single API.

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="/quickstart">
    Get your API key and make your first call in under 5 minutes.
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference/introduction">
    Browse all endpoints with interactive playground.
  </Card>

  <Card title="MCP Plugin" icon="plug" href="/integrations/mcp/overview">
    Add Rekko tools to your AI coding assistant in one command.
  </Card>

  <Card title="Pricing" icon="credit-card" href="/pricing">
    Free tier included. Pay-as-you-go or subscribe.
  </Card>
</CardGroup>

## What you can build

<CardGroup cols={3}>
  <Card title="Trading Agents" icon="robot">
    Autonomous agents that screen markets, generate signals, and execute trades via Kalshi, Polymarket, Robinhood, or Coinbase.
  </Card>

  <Card title="Portfolio Management" icon="chart-pie">
    Correlation analysis, Kelly-optimal sizing, and hedge recommendations across your positions.
  </Card>

  <Card title="Arbitrage Detection" icon="arrows-left-right">
    Real-time cross-platform arbitrage scanning with spread scoring and execution guidance.
  </Card>
</CardGroup>

## How it works

<Steps>
  <Step title="List markets">
    Browse active prediction markets on Kalshi, Polymarket, Robinhood, and Coinbase with live pricing and volume data.
  </Step>

  <Step title="Get AI analysis">
    Trigger deep research that produces probability estimates, confidence scores, and causal factor decomposition.
  </Step>

  <Step title="Generate signals">
    Get actionable trading signals with Kelly-derived position sizing, edge calculation, and risk ratings.
  </Step>

  <Step title="Act on insights">
    Execute trades directly, feed signals to your agent, or monitor via webhooks and SSE streams.
  </Step>
</Steps>

## Access methods

| Method                                            | Best for                               | Auth                     |
| ------------------------------------------------- | -------------------------------------- | ------------------------ |
| [Direct API](/quickstart)                         | Full control, any language             | Bearer token             |
| [MCP Server](/integrations/mcp/overview)          | AI coding assistants                   | Bearer token via env var |
| [RapidAPI](/integrations/rapidapi/overview)       | Quick prototyping, marketplace billing | RapidAPI key             |
| [x402 Micropayments](/integrations/x402/overview) | Crypto-native agents                   | USDC on Base L2          |