Prediction Markets X402

@Br0ski777

About Prediction Markets X402

Real-time prediction market odds from Polymarket and Kalshi. Active markets, probabilities, volume, categories. The betting intelligence layer agents need for event forecasting. -- x402 micropayment API + MCP server for AI agents

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "prediction-markets": {
      "url": "https://prediction-markets-production-3e07.up.railway.app/mcp",
      "transport": "sse"
    }
  }
}

Tools

POST

Overview

What is Prediction Markets X402?

Prediction Markets X402 is an MCP server that provides real-time prediction market odds from Polymarket and Kalshi. It delivers active markets, probabilities, volume, and categories using a pay-per-call model via the x402 protocol (USDC on Base L2) with no API key or signup. It is designed for AI agents that need an event forecasting and betting intelligence layer.

How to use Prediction Markets X402?

Add the server to your MCP client config (e.g., Claude Desktop, Cursor, ElizaOS) with the URL https://prediction-markets.api.klymax402.com/mcp. Alternatively, call the HTTP endpoints directly; any x402-aware client (like @x402/fetch) automatically handles the payment challenge.

Key features of Prediction Markets X402

Real-time odds from Polymarket and Kalshi.
Pay-per-call via x402 (USDC on Base).
No API key, signup, or rate-limit wall.
Three tools: list markets, get market odds, trending markets.
Filter by category, platform, and sort order.
Returns probability, volume, liquidity, end date, and source.

Use cases of Prediction Markets X402

Browse active prediction markets on real-world events.
Get detailed odds and probabilities for a specific market.
Discover trending markets ranked by volume and engagement.
Integrate event forecasting into AI agent decision-making.

FAQ from Prediction Markets X402

What data sources does Prediction Markets X402 use?

Polymarket and Kalshi, two major prediction market platforms.

How do I pay for each API call?

Via the x402 protocol, which automatically handles payment challenges using USDC on Base L2. No API key or signup needed.

What are the prices for the tools?

prediction_list_markets and prediction_get_market_odds cost $0.005 per call; prediction_trending_markets costs $0.003 per call.

Are there any rate limits?

The README states there is "no rate-limit wall", so calls are not throttled.

What parameters can I use to filter markets?

For prediction_list_markets, you can filter by category, limit (1–50), sort (volume, newest, closing_soon), and source (polymarket or kalshi).

Frequently asked questions