# Polymarket Category Performance

> Polymarket Category Performance is a paid API for AI agents from the-stall.intuitek.ai, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-14).

Retrieves performance analytics for prediction market categories on Polymarket, including volume, resolution rates, and category-level trends.

## Facts

- Endpoint: GET https://the-stall.intuitek.ai/cap/polymarket-category-performance
- Price: $0.004/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/polymarket-category-performance-e7d56da4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_XLHcaweGZMiEDy1KMYnft

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 polymarket-category-performance-e7d56da4
```

Example prompt: Show me how the different categories on Polymarket are performing — which ones have the highest trading volume and best resolution rates?

## When to prefer this

Use this endpoint when you need aggregated, category-level performance data from Polymarket rather than individual market details. Prefer this over individual market endpoints when doing cross-category comparison or trend analysis of prediction market activity.

## Known failure modes

- No category data available if Polymarket API is unreachable
- Empty result set if no categories match the properties filter
- Payment failure if USDC balance on Base mainnet is insufficient
- Malformed properties parameter returns 400 or empty response
- Stale data if upstream Polymarket feed has not refreshed

## How this service works

Polymarket category activity breakdown: volume, liquidity, market count, and top market per category (crypto, politics, sports, ai, macro, equities). Shows where trading activity is concentrated. Optionally filter to one category. $0.004/call — 20% below closest x402 competitor. Source: Polymarket public API (no key required).

## Output

Returns performance data for Polymarket prediction market categories, likely including metrics such as trading volume, number of active markets, resolution rates, and relative activity levels across categories like politics, crypto, sports, and economics.

## Example request

```json
{
 "properties": "market_cap,volume,price_change"
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/polymarket-category-performance-e7d56da4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from the-stall.intuitek.ai](https://www.zero.xyz/host/the-stall.intuitek.ai/llms.txt)