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x402 Trending Prediction Markets
x402
x402 Trending Prediction Markets is a paid API for AI agents from x402-services-production.up.railway.app, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Returns the highest-volume live prediction markets currently being actively priced by the crowd
Price / call$0.005
Success—
StatusUnknown
How this service works
Highest-volume live prediction markets — what the crowd is actively pricing right now. Send { limit? }.
Output
A ranked list of the highest-volume live prediction markets, including market titles, outcome probabilities as priced by the crowd, trading volume, and liquidity — showing what questions the market is most actively pricing at this moment.
Example use cases
Trending political events right now
“What are the biggest political events that prediction markets are actively betting on today? Show me the ones with the most volume and what odds the crowd is giving them.”
High-signal markets for news briefing
“I'm putting together a morning briefing — what are the top prediction markets with the most trading activity right now? I want to know what the crowd thinks is most likely to happen.”
Spot crowdsourced probability on hot topics
“What questions are prediction market traders most focused on this week? Give me the top markets by volume so I can see where the crowd is putting their money and what probabilities they're pricing in.”
Technical details
Endpoint
POSThttps://x402-services-production.up.railway.app/api/predict/trendingWhen to prefer
Use this endpoint when you need a broad snapshot of what the prediction market crowd is focused on right now, without knowing specific market slugs in advance. Prefer this over the slug-specific Polymarket endpoint when you want discovery rather than lookup of a known market. Best for surfacing high-signal events that are actively being priced.
Side effects
- Invalid limit value (non-numeric or negative) may return an error or default to 10
- Upstream prediction market data unavailable may return empty results or 503
- If no markets are currently trending, returns an empty list
- Payment failure (x402) results in 402 response before data is returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | number | Max markets, default 10 |
Tags
x402
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