# Polymarket Live Prediction Market Odds & Implied Probability Feed

> Polymarket Live Prediction Market Odds & Implied Probability Feed is a paid API for AI agents from x402broker.com, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).

Fetches live Polymarket orderbook data, implied Yes/No probabilities, trading volume, and whale sentiment for any macro, crypto, or AI-related prediction market event.

## Facts

- Endpoint: GET https://x402broker.com/v1/geopolitical-odds?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: x402broker.com
- Website: https://x402broker.com
- Canonical page: https://www.zero.xyz/c/x402broker-com-polymarket-live-prediction-market-odds-implied-8fc405af
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_iNzSVtNGDilomZ3IsXhiD

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402broker-com-polymarket-live-prediction-market-odds-implied-8fc405af
```

Example prompt: What are the current Polymarket odds and implied probabilities for 'Fed rate cut in 2025' — I want to see Yes/No probabilities, volume, and any whale sentiment signals?

## When to prefer this

Use this endpoint when you need real-time crowd-sourced probability estimates for macro, crypto, geopolitical, or AI events from Polymarket's live orderbooks. Prefer this over static news or sentiment APIs when you want market-implied probabilities backed by real money. Best suited for agents making decisions that benefit from knowing what sophisticated traders are collectively betting on.

## Known failure modes

- No matching Polymarket market found for the given topic keyword — returns empty or null market data
- Polymarket API unavailable or rate-limited — upstream service error
- Ambiguous topic string matches multiple markets — may return aggregated or first-matched result
- Payment not processed (x402) — endpoint returns 402 Payment Required
- Stale or low-liquidity market returned — odds may not reflect active trading

## How this service works

Fetches live Polymarket prediction market orderbooks, implied Yes/No probabilities, volume, and whale sentiment for macro/crypto/AI events. (Live x402 v2, IETF MPP & MCP endpoint at https://x402broker.com/v1/geopolitical-odds)

## Output

Returns a structured object containing live Polymarket orderbook data for the queried topic, including implied Yes and No probabilities, current trading volume, whale sentiment signals, and relevant market metadata for matching prediction market events.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "topic"
 ],
 "properties": {
  "topic": {
   "type": "string",
   "minLength": 1,
   "description": "Prediction market topic, event keyword, or question to query live Polymarket odds"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402broker-com-polymarket-live-prediction-market-odds-implied-8fc405af/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402broker.com](https://www.zero.xyz/host/x402broker.com/llms.txt)