# 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 orderbook data, implied Yes/No probabilities, trading volume, and whale sentiment for a given prediction market topic or event keyword.

## Facts

- Endpoint: GET https://github-audit.agentdiet.dev/v1/event-probabilities?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-ff86dc9f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Hn4CPWnZVp23QdNtoXGh_

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-ff86dc9f
```

Example prompt: What are the live Polymarket odds and implied Yes/No probabilities for a US recession in 2025 — and what's the current whale sentiment on that market?

## When to prefer this

Choose this endpoint when you need real-time crowd-sourced probability estimates for macro, crypto, political, or AI events from Polymarket specifically, including orderbook depth and whale activity signals. Prefer this over general news sentiment or model-based forecasts when you want market-priced implied probabilities reflecting actual money on the line.

## Known failure modes

- No matching Polymarket market found for the given topic — returns empty or null result
- Polymarket API or orderbook data unavailable — may return stale or error response
- Ambiguous topic keyword matching multiple markets — may return unexpected market data
- Payment failure via x402 protocol — call blocked before data is returned
- Rate limiting or quota exceeded — HTTP 429 or payment-gated error

## 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/event-probabilities)

## Output

Returns live Polymarket data for the queried topic, including implied Yes and No probabilities derived from the orderbook, current trading volume, and whale sentiment indicators for macro, crypto, or AI-related 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/github-audit-agentdiet-dev-polymarket-live-prediction-market-odds-ff86dc9f/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)