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prediction-search
x402
prediction-search is a paid API for AI agents from payai.agentstools.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Cross-venue prediction market search that returns normalized markets from Polymarket and Manifold under a unified schema in a single call
Price / call$0.01
Success—
StatusUnknown
How this service works
Cross-venue prediction-market search: one query returns a ranked list of NORMALIZED markets from Polymarket (real-money) and Manifold (play-money) under one schema — implied probability, outcomes, volume, liquidity, close date, status, money_type and a link-back. One call instead of hitting each venue's API and reconciling their shapes.
Output
A ranked list of normalized prediction market objects, each containing: market title, implied probability, available outcomes, trading volume, liquidity, close date, open/closed status, money type (real vs play), venue name, and a direct link back to the market on Polymarket or Manifold.
Example use cases
Track election outcome probabilities
“Search prediction markets for 'US presidential election 2024' across all venues and show me the top 15 markets with their current probabilities and whether they use real or play money.”
Research AI policy betting markets
“Find prediction markets about 'AI regulation' on Polymarket and Manifold — I want to see implied odds, liquidity, and close dates for the top 10 results.”
Crypto event forecasting
“Look up prediction markets about 'Bitcoin ETF approval' and return up to 20 results with volumes and probabilities so I can gauge market sentiment.”
Technical details
Endpoint
GEThttps://payai.agentstools.dev/prediction/searchWhen to prefer
Choose this endpoint when you need to aggregate prediction market data from multiple venues (Polymarket + Manifold) in a single normalized response without writing custom integration code for each platform's API. Ideal for agents that need to quickly surface crowd-sourced probability estimates on news events, politics, sports, or financial outcomes without managing API keys or reconciling differing data schemas across venues.
Side effects
- Query returns no results if topic is too niche or misspelled
- Venue parameter restricted to unavailable venue returns empty list
- Limit exceeds cap of 25 — capped silently at maximum
- Network timeout if upstream venue APIs are slow
- Payment failure if USDC balance is insufficient for the $0.01 call cost
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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