Prediction Markets API

Prediction market odds from Polymarket. Active markets, probabilities, volume. x402.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

One-click editor setup isn’t available for this listing yet — we don’t have a confirmed install command, and we’d rather show nothing than point your editor at the wrong package or host. Follow the project’s own setup instructions, linked above.

Manual Client & Custom JSON ConfigExpand JSON ▾

No confirmed setup config for this listing yet. We only publish a config block when the install details come from the project itself — its README, its docs, or a verified owner. We haven’t found those for Prediction Markets API, and we’d rather show nothing than a guess you’d paste into your client. Follow the project’s own setup instructions for the current steps.

Documentation Overview

Prediction Markets API

Real-time prediction market odds and probabilities from Polymarket and Kalshi. Browse active markets, get detailed odds on specific events, and discover trending bets -- all via x402 micropayments. Merges data from both platforms so agents get the most complete view of market sentiment.

What It Does / Endpoints

Endpoint	Price	Description
`POST /api/markets`	$0.005	List active prediction markets with odds, volume, categories from both Polymarket and Kalshi
`POST /api/odds`	$0.005	Detailed odds for a specific market (by ID or search query) -- searches both platforms
`POST /api/trending`	$0.003	Top trending markets ranked by volume from both sources

Example Request / Response

List Markets

Terminal

curl -X POST https://prediction-markets-production.up.railway.app/api/markets \
  -H "Content-Type: application/json" \
  -d '{"category": "politics", "limit": 5, "sort": "volume"}'

config.json

{
  "markets": [
    {
      "id": "0x1234...",
      "question": "Will Trump win the 2028 presidential election?",
      "outcomes": ["Yes", "No"],
      "outcomePrices": { "Yes": 0.42, "No": 0.58 },
      "volume": 15420000,
      "volume24h": 234000,
      "liquidity": 890000,
      "endDate": "2028-11-06T00:00:00Z",
      "category": "politics",
      "active": true,
      "source": "polymarket"
    },
    {
      "id": "PRES-2028-DEM",
      "question": "Will a Democrat win the 2028 presidential election?",
      "outcomes": ["Yes", "No"],
      "outcomePrices": { "Yes": 0.55, "No": 0.45 },
      "volume": 8200000,
      "volume24h": 0,
      "liquidity": 0,
      "endDate": "2028-11-06T00:00:00Z",
      "category": "politics",
      "active": true,
      "source": "kalshi"
    }
  ],
  "count": 5,
  "sort": "volume",
  "category": "politics",
  "source": "polymarket+kalshi"
}

Filter by platform:

Terminal

curl -X POST https://prediction-markets-production.up.railway.app/api/markets \
  -H "Content-Type: application/json" \
  -d '{"source": "kalshi", "limit": 5}'

Get Odds (Search by Query)

Terminal

curl -X POST https://prediction-markets-production.up.railway.app/api/odds \
  -H "Content-Type: application/json" \
  -d '{"query": "bitcoin 100k"}'

config.json

{
  "id": "0xabcd...",
  "question": "Will Bitcoin reach $100k by December 2026?",
  "outcomes": ["Yes", "No"],
  "outcomePrices": { "Yes": 0.65, "No": 0.35 },
  "volume": 8900000,
  "volume24h": 120000,
  "liquidity": 450000,
  "endDate": "2026-12-31T00:00:00Z",
  "category": "crypto",
  "active": true,
  "source": "polymarket",
  "matchedFrom": 3
}

Trending Markets

Terminal

curl -X POST https://prediction-markets-production.up.railway.app/api/trending \
  -H "Content-Type: application/json" \
  -d '{"limit": 5}'

config.json

{
  "trending": [
    {
      "id": "0x5678...",
      "question": "Will the Fed cut rates in July 2026?",
      "probability": 0.73,
      "outcomePrices": { "Yes": 0.73, "No": 0.27 },
      "volume24h": 890000,
      "totalVolume": 12500000,
      "category": "politics",
      "endDate": "2026-07-31T00:00:00Z",
      "active": true,
      "source": "polymarket"
    },
    {
      "id": "FED-RATE-JUL26",
      "question": "Will the Fed cut rates in July 2026?",
      "probability": 0.71,
      "outcomePrices": { "Yes": 0.71, "No": 0.29 },
      "volume24h": 0,
      "totalVolume": 5400000,
      "category": "politics",
      "endDate": "2026-07-31T00:00:00Z",
      "active": true,
      "source": "kalshi"
    }
  ],
  "count": 5,
  "source": "polymarket+kalshi"
}

Use Cases

Election odds: Get real-time probabilities on political outcomes backed by real money from both crypto-native (Polymarket) and CFTC-regulated (Kalshi) platforms
Crypto predictions: Check market consensus on price targets, ETF approvals, protocol upgrades
Event forecasting: Find the crowd-sourced probability of any major world event
Cross-platform comparison: Compare odds between Polymarket and Kalshi for the same events
Research & analysis: Use prediction market data as a signal for decision-making
News impact: See how breaking events shift market probabilities in real time

MCP Integration

Add to your Claude Desktop or Cursor MCP config:

config.json

{
  "mcpServers": {
    "prediction-markets": {
      "url": "https://prediction-markets-production.up.railway.app/sse"
    }
  }
}

Tools available via MCP:

prediction_list_markets -- Browse active markets by category, sort, and platform (Polymarket or Kalshi)
prediction_get_market_odds -- Get detailed odds by market ID or search query (searches both platforms)
prediction_trending_markets -- Discover trending markets by volume from both sources

Payment

All endpoints are gated by x402 micropayments (USDC on Base L2). Agents pay automatically per call -- no API keys, no subscriptions.

Related APIs

Trust Score API -- Verify domain/wallet trust before interacting
Token Price API -- Real-time crypto token prices
Crypto News API -- Latest crypto news and sentiment
DeFi Yields API -- Best DeFi yield opportunities
Hyperliquid API -- Perpetual futures market data

Read the full README →View source on GitHub →

Related MCP Servers

View all in Finance & Fintech View all alternatives

Reviews

No reviews yet — be the first to share how this listing worked for you.

Frequently Asked Questions about Prediction Markets API

We don't have a confirmed install command for Prediction Markets API yet, so we don't publish a generated one — a guessed package name would point at the wrong package or none at all. Follow the project's own README or setup instructions (https://github.com/Br0ski777/prediction-markets-x402) for the current steps.

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Technical Specs & Signals

CategoryFinance & Fintech

4/6 checks healthy over the last 45d

33Quality signal: Emerging · 33/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools11/30

Adoption & activity4/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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More in 💰 Finance & Fintech →Best MCP servers for Finance & Fintech →Alternatives to Prediction Markets API →Install in Claude Desktop Install in Cursor Install in VS Code Setup guides for all 13 MCP clients

Prediction Markets API

Prediction market odds from Polymarket. Active markets, probabilities, volume. x402.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Manual Client & Custom JSON ConfigExpand JSON ▾

Documentation Overview

Prediction Markets API

What It Does / Endpoints

Endpoint	Price	Description
`POST /api/markets`	$0.005	List active prediction markets with odds, volume, categories from both Polymarket and Kalshi
`POST /api/odds`	$0.005	Detailed odds for a specific market (by ID or search query) -- searches both platforms
`POST /api/trending`	$0.003	Top trending markets ranked by volume from both sources

Example Request / Response

List Markets

Terminal

curl -X POST https://prediction-markets-production.up.railway.app/api/markets \
  -H "Content-Type: application/json" \
  -d '{"category": "politics", "limit": 5, "sort": "volume"}'

config.json

{
  "markets": [
    {
      "id": "0x1234...",
      "question": "Will Trump win the 2028 presidential election?",
      "outcomes": ["Yes", "No"],
      "outcomePrices": { "Yes": 0.42, "No": 0.58 },
      "volume": 15420000,
      "volume24h": 234000,
      "liquidity": 890000,
      "endDate": "2028-11-06T00:00:00Z",
      "category": "politics",
      "active": true,
      "source": "polymarket"
    },
    {
      "id": "PRES-2028-DEM",
      "question": "Will a Democrat win the 2028 presidential election?",
      "outcomes": ["Yes", "No"],
      "outcomePrices": { "Yes": 0.55, "No": 0.45 },
      "volume": 8200000,
      "volume24h": 0,
      "liquidity": 0,
      "endDate": "2028-11-06T00:00:00Z",
      "category": "politics",
      "active": true,
      "source": "kalshi"
    }
  ],
  "count": 5,
  "sort": "volume",
  "category": "politics",
  "source": "polymarket+kalshi"
}

Filter by platform:

Terminal

curl -X POST https://prediction-markets-production.up.railway.app/api/markets \
  -H "Content-Type: application/json" \
  -d '{"source": "kalshi", "limit": 5}'

Get Odds (Search by Query)

Terminal

curl -X POST https://prediction-markets-production.up.railway.app/api/odds \
  -H "Content-Type: application/json" \
  -d '{"query": "bitcoin 100k"}'

config.json

{
  "id": "0xabcd...",
  "question": "Will Bitcoin reach $100k by December 2026?",
  "outcomes": ["Yes", "No"],
  "outcomePrices": { "Yes": 0.65, "No": 0.35 },
  "volume": 8900000,
  "volume24h": 120000,
  "liquidity": 450000,
  "endDate": "2026-12-31T00:00:00Z",
  "category": "crypto",
  "active": true,
  "source": "polymarket",
  "matchedFrom": 3
}

Trending Markets

Terminal

curl -X POST https://prediction-markets-production.up.railway.app/api/trending \
  -H "Content-Type: application/json" \
  -d '{"limit": 5}'

config.json

{
  "trending": [
    {
      "id": "0x5678...",
      "question": "Will the Fed cut rates in July 2026?",
      "probability": 0.73,
      "outcomePrices": { "Yes": 0.73, "No": 0.27 },
      "volume24h": 890000,
      "totalVolume": 12500000,
      "category": "politics",
      "endDate": "2026-07-31T00:00:00Z",
      "active": true,
      "source": "polymarket"
    },
    {
      "id": "FED-RATE-JUL26",
      "question": "Will the Fed cut rates in July 2026?",
      "probability": 0.71,
      "outcomePrices": { "Yes": 0.71, "No": 0.29 },
      "volume24h": 0,
      "totalVolume": 5400000,
      "category": "politics",
      "endDate": "2026-07-31T00:00:00Z",
      "active": true,
      "source": "kalshi"
    }
  ],
  "count": 5,
  "source": "polymarket+kalshi"
}

Use Cases

Election odds: Get real-time probabilities on political outcomes backed by real money from both crypto-native (Polymarket) and CFTC-regulated (Kalshi) platforms
Crypto predictions: Check market consensus on price targets, ETF approvals, protocol upgrades
Event forecasting: Find the crowd-sourced probability of any major world event
Cross-platform comparison: Compare odds between Polymarket and Kalshi for the same events
Research & analysis: Use prediction market data as a signal for decision-making
News impact: See how breaking events shift market probabilities in real time

MCP Integration

Add to your Claude Desktop or Cursor MCP config:

config.json

{
  "mcpServers": {
    "prediction-markets": {
      "url": "https://prediction-markets-production.up.railway.app/sse"
    }
  }
}

Tools available via MCP:

prediction_list_markets -- Browse active markets by category, sort, and platform (Polymarket or Kalshi)
prediction_get_market_odds -- Get detailed odds by market ID or search query (searches both platforms)
prediction_trending_markets -- Discover trending markets by volume from both sources

Payment

All endpoints are gated by x402 micropayments (USDC on Base L2). Agents pay automatically per call -- no API keys, no subscriptions.

Related APIs

Trust Score API -- Verify domain/wallet trust before interacting
Token Price API -- Real-time crypto token prices
Crypto News API -- Latest crypto news and sentiment
DeFi Yields API -- Best DeFi yield opportunities
Hyperliquid API -- Perpetual futures market data

Read the full README →View source on GitHub →

Related MCP Servers

View all in Finance & Fintech View all alternatives

Reviews

No reviews yet — be the first to share how this listing worked for you.

Frequently Asked Questions about Prediction Markets API

AllMCPs Directory Badge

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Showcase your server listing on GitHub or your project documentation. Embed this dynamic SVG badge to highlight official listing status and live engagement.

Badge Style:

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HTML Embed

<a href="https://allmcps.com/mcp/prediction-markets-api"><img src="https://allmcps.com/api/badge/prediction-markets-api?style=directory" alt="Prediction Markets API on AllMCPs" /></a>

Technical Specs & Signals

CategoryFinance & Fintech

4/6 checks healthy over the last 45d

33Quality signal: Emerging · 33/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools11/30

Adoption & activity4/15

Community engagement0/10

★ Featured

AllMCPs Server

Explore Server →

Own this project?

Free dofollow backlink: add your website and place the AllMCPs badge on it — no claim needed. We detect it automatically and keep it verified as long as the badge stays live.

Claim & get free dofollow

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