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Prediction Markets Search & Filter API
x402
Prediction Markets Search & Filter API is a paid API for AI agents from d2ngmd5yvdfkqu.cloudfront.net, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Search, filter, sort, and paginate prediction markets across multiple exchanges (Kalshi, Polymarket, Gemini) with rich query parameters.
Price / call$0.001
Success—
StatusUnknown
How this service works
Search, filter, and sort prediction markets across exchanges.
Output
A paginated list of prediction market events matching the query, including market names, event tickers, exchange identifiers, volume statistics (1hr, 24hr, total), open interest in USD, trade counts, market status, outcome types, and PMCS category codes. Useful for discovering, comparing, and tracking active prediction markets across exchanges.
Example use cases
Example prompt
“Search for open binary prediction markets about AI or technology on Polymarket, sorted by 24-hour volume descending, and show me the top 10 results.”
Technical details
Endpoint
GEThttps://d2ngmd5yvdfkqu.cloudfront.net/prediction-marketsWhen to prefer
Use this endpoint when you need to discover, search, or filter prediction markets across multiple exchanges with flexible criteria (text search, volume, open interest, category, exchange, outcome type). Prefer this over the similar-markets endpoint when you don't have a seed event_ticker and need broad discovery. Use this over exchange-native APIs when you need cross-exchange aggregation.
Side effects
- Invalid entity_code returns empty results or 400 error
- Unknown pmcs_category or pmcs_supersector code returns empty results
- Malformed volume filter strings (non-numeric) may return 400
- Pagination offset beyond total results returns empty list
- Free-text search with no matching markets returns empty array
- Payment not attached or insufficient — 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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