# 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 prediction market orderbooks, implied Yes/No probabilities, volume, and whale sentiment for a given macro, crypto, or AI event topic

## Facts

- Endpoint: GET https://x402broker.com/v1/macro-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-ebc656cb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_sjxFLtuuwnEAoP5kx6bdH

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-ebc656cb
```

Example prompt: What are the current live Polymarket odds and implied Yes/No probabilities for a Fed rate cut in 2025, including whale sentiment and volume?

## When to prefer this

Choose this endpoint when you need real-time crowd-sourced probability estimates for macro, crypto, geopolitical, or AI events as reflected by actual money on Polymarket. It is especially useful when you want not just raw odds but also whale sentiment and volume context that signals market conviction. Prefer this over general news or sentiment APIs when quantified prediction market probability is the specific signal needed.

## Known failure modes

- No matching Polymarket market found for the given topic — returns empty or null result
- Polymarket API or data source temporarily unavailable — upstream timeout or error
- Vague or ambiguous topic string yields low-confidence or mixed market matches
- Payment failure via x402 protocol prevents request from completing
- Rate limiting or quota exhaustion on upstream Polymarket data feed

## 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/macro-odds)

## Output

Returns a JSON object containing live Polymarket orderbook data for the queried topic, including implied Yes and No probabilities, total trading volume, and whale sentiment signals for relevant prediction markets matching the event keyword or question.

## 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-ebc656cb/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)