# Polymarket Live Prediction Market Odds & Implied Probability Feed

> Polymarket Live Prediction Market Odds & Implied Probability Feed is a paid API for AI agents from domain-osint.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://domain-osint.agentdiet.dev/v1/polymarket-live-odds-feed?utm_source=zero.xyz
- Price: $0.015/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: domain-osint.agentdiet.dev
- Website: https://domain-osint.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/domain-osint-agentdiet-dev-polymarket-live-prediction-market-odds-f19945b1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Ub6Fv2LckPck2ZUE_Bu6z

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 domain-osint-agentdiet-dev-polymarket-live-prediction-market-odds-f19945b1
```

Example prompt: What are the live Polymarket odds and implied Yes/No probabilities right now for 'will the Fed cut rates in September 2025'? Include volume and whale sentiment if available.

## When to prefer this

Use this endpoint when you need real-time crowd-sourced probability estimates on discrete events (elections, crypto price milestones, Fed decisions, AI policy) from Polymarket specifically, including orderbook depth and whale activity — especially when you want market-implied odds rather than model-based forecasts or news sentiment.

## Known failure modes

- No matching Polymarket market found for the given topic keyword — returns empty or null results
- Polymarket API upstream downtime causing stale or unavailable data
- Ambiguous topic string matching multiple markets — may return multiple or incorrect markets
- Payment/402 authentication failure preventing request from completing
- Rate limiting if called too frequently

## 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://domain-osint.agentdiet.dev/v1/polymarket-live-odds-feed)

## Output

Returns live Polymarket orderbook snapshot for the queried topic, including implied Yes and No probabilities (as percentages or decimals), current trading volume, whale sentiment signals, and relevant market metadata such as market question text and liquidity depth.

## 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/domain-osint-agentdiet-dev-polymarket-live-prediction-market-odds-f19945b1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from domain-osint.agentdiet.dev](https://www.zero.xyz/host/domain-osint.agentdiet.dev/llms.txt)