# Polymarket Live Prediction Market Odds & Implied Probability Feed

> Polymarket Live Prediction Market Odds & Implied Probability Feed is a paid API for AI agents from shopify-intel.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).

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

## Facts

- Endpoint: GET https://shopify-intel.agentdiet.dev/v1/polymarket-prediction-stream?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: shopify-intel.agentdiet.dev
- Website: https://shopify-intel.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/shopify-intel-agentdiet-dev-polymarket-live-prediction-market-odds-0c344914
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_L1Sq0HtdCgIzKErm3jvO6

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 shopify-intel-agentdiet-dev-polymarket-live-prediction-market-odds-0c344914
```

Example prompt: What are the live Polymarket odds right now for a Fed rate cut in 2025 — give me the Yes/No implied probabilities, current volume, and any whale sentiment signals.

## When to prefer this

Choose this endpoint when you need live, crowd-sourced probability data for macro, crypto, political, or AI events from Polymarket's decentralized prediction market. Prefer this over traditional news or analyst sources when you want real-money implied odds rather than opinion-based forecasts. Best for agents that need quantified uncertainty estimates backed by actual trading volume and whale-positioning signals.

## Known failure modes

- Topic not found on Polymarket — returns empty or null market data
- Ambiguous topic keyword matching multiple markets — may return multiple or incorrect markets
- Polymarket API downtime or rate limiting — returns 503 or timeout
- Payment failure via x402 — returns 402 Payment Required if USDC micropayment not processed
- Stale data if orderbook has low liquidity or market has resolved

## 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://shopify-intel.agentdiet.dev/v1/polymarket-prediction-stream)

## Output

Returns live Polymarket orderbook data for the queried topic, including implied Yes and No probabilities (0–100%), current trading volume, and whale sentiment signals indicating large-holder positioning on the event outcome.

## 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/shopify-intel-agentdiet-dev-polymarket-live-prediction-market-odds-0c344914/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from shopify-intel.agentdiet.dev](https://www.zero.xyz/host/shopify-intel.agentdiet.dev/llms.txt)