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Zatena Polymarket Markets Catalog
x402
Zatena Polymarket Markets Catalog is a paid API for AI agents from api.zatena.com, paid per call via x402, $0.001/call, status down (last checked 2026-10-31).
Returns a normalized catalog of Polymarket prediction markets with titles, implied probabilities, token IDs, liquidity, and condition IDs
Price / call$0.001
Success—
StatusDown
How this service works
Normalized Polymarket catalog with implied probabilities and liquidity
Output
A JSON array of prediction market objects, each containing the market title, current liquidity (in USDC), implied probability for the 'yes' outcome (0–1 float), yes and no token IDs for on-chain trading, and the condition ID for the market contract.
Example use cases
Example prompt
“Pull the current Polymarket markets catalog for me — I want to see all active markets with their implied yes probabilities and liquidity so I can identify the most liquid ones to trade.”
Technical details
Endpoint
GEThttps://api.zatena.com/markets?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a normalized, ready-to-use snapshot of Polymarket prediction markets including implied probabilities and liquidity in a single call, rather than scraping Polymarket directly or parsing raw on-chain data. Ideal for agents building trading strategies, dashboards, or market scanners on top of Polymarket without dealing with raw contract data.
Side effects
- Payment not received or x402 payment header missing — returns 402 Payment Required
- API unavailable or upstream Polymarket data stale — returns 5xx error
- Malformed request — returns 400 Bad Request
- Empty markets array returned if no active markets are available
Output
Schema · Response
{
"markets": [
{
"title": "string",
"liquidity": 1000,
"tokenIdNo": "string",
"impliedYes": 0.5,
"tokenIdYes": "string",
"conditionId": "0x.."
}
]
}Tags
x402
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