# Coin Railz Polymarket Trending Events

> Coin Railz Polymarket Trending Events is a paid API for AI agents from coinrailz.com, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-15).

Fetches trending prediction market events from Polymarket including current volume and odds

## Facts

- Endpoint: POST https://coinrailz.com/x402/polymarket-events
- Price: $0.25/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/coin-railz-polymarket-trending-events-69b4212a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_cTRlL_8av0WZNI2EHau64

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 coin-railz-polymarket-trending-events-69b4212a -d '<json body>'
```

Example prompt: What are the trending prediction market events on Polymarket right now — show me the ones with the highest volume and their current odds?

## When to prefer this

Use this endpoint when you need a ranked, volume-sorted snapshot of currently trending Polymarket prediction markets with odds included. Prefer this over a single-event odds lookup when you want to discover which events are hot rather than query a specific known event.

## Known failure modes

- Polymarket API unavailable or rate-limited — returns error with service field indicating polymarket-events
- Payment not processed — returns 402 Payment Required before executing
- Stale or delayed data if Polymarket feed is lagging
- Empty result set if no trending events are currently available
- Network timeout for upstream Polymarket data fetch

## How this service works

Get trending prediction market events from Polymarket with volume and odds

## Output

A JSON object containing a list of trending Polymarket prediction market events, each with associated volume figures, current odds or probability percentages, event names, and a timestamp of when the data was fetched.

## Example request

```json
{
 "agentId": "qa-test-agent-001",
 "networks": [
  "polymarket"
 ],
 "agentName": "QA Test Agent"
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Query parameter for the service"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "application/json",
 "format": "json",
 "example": {
  "result": "Service executed successfully",
  "service": "polymarket-events",
  "success": true,
  "timestamp": "2026-02-07T01:50:30.875Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/coin-railz-polymarket-trending-events-69b4212a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from coinrailz.com](https://www.zero.xyz/host/coinrailz.com/llms.txt)