# Particle Pro: List Prediction Market Events

> Particle Pro: List Prediction Market Events is a paid API for AI agents from api.particle.pro, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Returns a paginated list of prediction market events from Polymarket and Kalshi, filterable by source, status, category, entity, company, or ticker.

## Facts

- Endpoint: GET https://api.particle.pro/v1/prediction-markets/events
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/particle-pro-list-prediction-market-events-60cc7a14
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_w4h04Jy16Q3Q7qBelyCRs

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 particle-pro-list-prediction-market-events-60cc7a14
```

Example prompt: Show me all currently open prediction market events from Kalshi in the politics category — I want to see what's available to trade right now.

## When to prefer this

Use this endpoint when you need to discover or browse prediction market events across both Polymarket and Kalshi in a unified feed, especially when filtering by source, category, company, or ticker. Prefer this over direct exchange APIs when you want cross-platform aggregation without separate integrations.

## Known failure modes

- Invalid source filter value returns 400 error
- Unknown ticker or entity returns empty result set
- Pagination cursor mismatch returns 422 error
- Rate limiting or payment failure returns 402 error
- Kalshi or Polymarket upstream unavailability may result in stale or partial data

## How this service works

List prediction market events. Returns a paginated list of prediction market events from Polymarket and Kalshi, with optional filters by source, status, category, entity, company, or ticker.

## Output

A paginated list of prediction market events, each including event metadata such as source (Polymarket or Kalshi), status (open/resolved/etc.), category, associated entity or company, ticker, and other event details.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/particle-pro-list-prediction-market-events-60cc7a14/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.particle.pro](https://www.zero.xyz/host/api.particle.pro/llms.txt)