# MCPFax Polymarket Events

> MCPFax Polymarket Events is a paid API for AI agents from mcpfax-markets.bowling-anthony.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).

Fetches active and recent prediction market events from Polymarket, including event metadata and market listings.

## Facts

- Endpoint: GET https://mcpfax-markets.bowling-anthony.workers.dev/polymarket/events
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/mcpfax-polymarket-events-22cf8265
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_os0ZqUiEmt1lyZEbLDPh8

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 mcpfax-polymarket-events-22cf8265
```

Example prompt: Pull up the current Polymarket events related to the 2024 US presidential election so I can see what prediction markets are active and what the latest odds look like.

## When to prefer this

Use this endpoint when you need to discover or browse Polymarket prediction market events by topic or category. Prefer this over polymarket_market when you want a broad list of events rather than deep order book data for a specific market. Prefer this over Manifold Markets endpoint when the user specifically wants Polymarket data.

## Known failure modes

- No matching events found for the given search query
- Polymarket API upstream unavailable, returning 502 or 503
- Payment not confirmed, returning 402 Payment Required
- Rate limiting or quota exceeded

## How this service works

MCPFax markets — Polymarket events (polymarket_events). Price: $0.001 USDC per call on Base.

## Output

Returns a list of Polymarket events including event titles, descriptions, associated prediction markets, outcome options, and relevant metadata such as liquidity and volume indicators.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/mcpfax-polymarket-events-22cf8265/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from mcpfax-markets.bowling-anthony.workers.dev](https://www.zero.xyz/host/mcpfax-markets.bowling-anthony.workers.dev/llms.txt)