# Polymarket Live Prediction Market Odds & Implied Probability Feed

> Polymarket Live Prediction Market Odds & Implied Probability Feed is a paid API for AI agents from preflight.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 any macro, crypto, or AI prediction market topic.

## Facts

- Endpoint: GET https://preflight.agentdiet.dev/v1/prediction-oracle?utm_source=zero.xyz
- Price: $0.015/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: preflight.agentdiet.dev
- Website: https://preflight.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/preflight-agentdiet-dev-polymarket-live-prediction-market-odds-aa97802a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_mFI0f667HciLd4KnBWPde

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 preflight-agentdiet-dev-polymarket-live-prediction-market-odds-aa97802a
```

Example prompt: What are the live Polymarket odds and implied Yes/No probabilities right now for Bitcoin reaching $100K by end of year — including volume and what whale traders are betting?

## When to prefer this

Use this endpoint when you need real-time crowd-implied probabilities for a specific event (crypto, macro, AI, political) sourced directly from Polymarket's live orderbook, especially when you need whale sentiment or volume alongside the odds. Prefer this over static news or sentiment analysis tools when you want market-priced probability estimates reflecting actual money at risk.

## Known failure modes

- No matching Polymarket market found for the given topic keyword — returns empty or null result
- Stale data if Polymarket API is temporarily unavailable
- Ambiguous topic string matches multiple markets — response may return multiple or unexpected markets
- Payment failure via x402 protocol if USDC balance is insufficient
- Rate limiting or timeout if Polymarket upstream is slow

## 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://preflight.agentdiet.dev/v1/prediction-oracle)

## Output

Returns live Polymarket orderbook data for the queried topic, including implied Yes and No probabilities, current trading volume, and whale/large-trader sentiment signals for macro, crypto, political, or AI 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/preflight-agentdiet-dev-polymarket-live-prediction-market-odds-aa97802a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from preflight.agentdiet.dev](https://www.zero.xyz/host/preflight.agentdiet.dev/llms.txt)