# Prediction Intel - Polymarket Search

> Prediction Intel - Polymarket Search is a paid API for AI agents from prediction-intel-tan.vercel.app, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).

Search Polymarket prediction market data by keyword to retrieve relevant prediction markets and their details

## Facts

- Endpoint: GET https://prediction-intel-tan.vercel.app/api/search
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/prediction-intel-polymarket-search-91d08f7b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_LIq2C9V3btUujmUaq4X-M

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 prediction-intel-polymarket-search-91d08f7b
```

Example prompt: Search Polymarket for any prediction markets related to the 2024 US presidential election and show me the current odds.

## When to prefer this

Use this endpoint when an agent needs to find and analyze prediction market data from Polymarket by topic or keyword. Ideal for answering questions about public sentiment, event probabilities, or crowd-sourced forecasts on political, sports, crypto, or world events. Prefer this over manual web scraping of Polymarket or general search engines when structured market data with odds is needed.

## Known failure modes

- Empty result set when no markets match the query keyword
- API returns 402 Payment Required if USDC payment via x402 is not properly attached
- Malformed or missing query parameter causing a 400 Bad Request
- Upstream Polymarket data unavailability causing 500 errors
- Rate limiting or payment failure causing repeated 402 responses

## How this service works

Pay-per-call crypto/web3 data for AI agents. USDC via x402 on Base.

## Output

A list of matching Polymarket prediction markets relevant to the keyword, likely including market titles, current probabilities/odds, and related event metadata for each match.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Search keyword."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/prediction-intel-polymarket-search-91d08f7b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from prediction-intel-tan.vercel.app](https://www.zero.xyz/host/prediction-intel-tan.vercel.app/llms.txt)