# Polymarket Live Prediction Market Odds & Implied Probability Feed

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

## Facts

- Endpoint: GET https://json-repair.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: json-repair.agentdiet.dev
- Website: https://json-repair.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/json-repair-agentdiet-dev-polymarket-live-prediction-market-odds-5878ce74
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_kJ_wp7YRvO2sFmZwJFC7z

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 json-repair-agentdiet-dev-polymarket-live-prediction-market-odds-5878ce74
```

Example prompt: What are the live Polymarket odds and implied Yes/No probabilities for the next FOMC rate cut decision?

## 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's live orderbooks, especially when you want implied Yes/No percentages and whale sentiment rather than just news sentiment or analyst forecasts.

## Known failure modes

- No matching Polymarket market found for the given topic keyword — returns empty or null result
- Polymarket API unavailable or rate-limited — upstream data fetch failure
- Ambiguous topic matches multiple markets — may return results for unintended market
- Stale data if Polymarket orderbook hasn't updated recently
- Payment failure via x402 micropayment protocol — request not processed

## 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://json-repair.agentdiet.dev/v1/fomc-rate-odds)

## Output

Returns a JSON object containing live Polymarket orderbook data for the queried topic, including implied Yes/No probabilities as percentages, total 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/json-repair-agentdiet-dev-polymarket-live-prediction-market-odds-5878ce74/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from json-repair.agentdiet.dev](https://www.zero.xyz/host/json-repair.agentdiet.dev/llms.txt)