# Polymarket Live Prediction Market Odds & Implied Probability Feed

> Polymarket Live Prediction Market Odds & Implied Probability Feed is a paid API for AI agents from github-audit.agentdiet.dev, paid per call via MPP, $0.015/call, status unknown (last checked 2026-10-21).

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

## Facts

- Endpoint: GET https://github-audit.agentdiet.dev/v1/fomc-rate-odds?utm_source=zero.xyz
- Price: $0.015/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: github-audit.agentdiet.dev
- Website: https://github-audit.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/github-audit-agentdiet-dev-polymarket-live-prediction-market-odds-649299e7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_xCQh6gKtMnyG0yAkFhYwI

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 github-audit-agentdiet-dev-polymarket-live-prediction-market-odds-649299e7
```

Example prompt: What are the current Polymarket odds and implied Yes/No probabilities for a Fed rate cut at the next FOMC meeting?

## When to prefer this

Use this endpoint when you need real-time crowd-sourced implied probabilities for macro, crypto, or AI events from Polymarket's prediction market, especially when you want orderbook depth and whale sentiment in addition to raw odds. Prefer this over general news or analyst forecasts when you want market-priced probability signals.

## Known failure modes

- No matching Polymarket market found for the given topic keyword — returns empty or null result
- Polymarket API or upstream data feed is unavailable — service may return a 5xx error
- Ambiguous topic string matches multiple markets — response may aggregate or return the top match only
- Payment required (HTTP 402) if x402 micropayment header is missing or insufficient
- Stale data if the underlying orderbook feed has not been recently updated

## 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://github-audit.agentdiet.dev/v1/fomc-rate-odds)

## Output

Returns live Polymarket orderbook data for the queried topic, including implied Yes and No probabilities, current trading volume, and whale sentiment indicators for the matched prediction market event.

## 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/github-audit-agentdiet-dev-polymarket-live-prediction-market-odds-649299e7/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from github-audit.agentdiet.dev](https://www.zero.xyz/host/github-audit.agentdiet.dev/llms.txt)