# Skopos Polymarket Feed

> Skopos Polymarket Feed is a paid API for AI agents from www.tryskopos.xyz, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-19).

Fetches top Polymarket prediction market listings by volume, optionally filtered by topic.

## Facts

- Endpoint: POST https://www.tryskopos.xyz/api/polymarket?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/skopos-polymarket-feed-00ebd460
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_SG8AUs_7mleEh67mR6ig0

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 skopos-polymarket-feed-00ebd460 -d '<json body>'
```

Example prompt: Show me the top 5 Polymarket prediction markets by volume right now, filtered to politics topics.

## When to prefer this

Use this endpoint when you need real-time Polymarket prediction market data — especially top markets by volume or topic-scoped discovery — and are operating in an x402 micropayment-compatible environment. Prefer this over scraping Polymarket directly or using heavier analytics APIs when you need a lightweight, low-cost ($0.01 USDC) programmatic feed of market listings.

## Known failure modes

- Limit out of range (must be 1-10) returns validation error
- Topic string exceeding 80 characters is rejected
- No markets found for a very narrow or obscure topic
- Payment not included or insufficient (x402 micropayment required)
- Polymarket API unavailable causing upstream failure

## How this service works

Live Polymarket odds and volume — by topic, or today's biggest movers if no topic given.

## Output

A list of up to 10 Polymarket prediction market entries ranked by volume, each likely including market title, volume, and topic metadata. When a topic filter is provided, only markets matching that topic are returned. Default returns 5 markets.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "limit": {
   "type": "integer",
   "default": 5,
   "maximum": 10,
   "minimum": 1
  },
  "topic": {
   "type": "string",
   "maxLength": 80,
   "minLength": 1,
   "description": "Omit for today's biggest-volume markets"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/skopos-polymarket-feed-00ebd460/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from www.tryskopos.xyz](https://www.zero.xyz/host/www.tryskopos.xyz/llms.txt)