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Joe Market Data – Polymarket Crypto Markets
x402
Joe Market Data – Polymarket Crypto Markets is a paid API for AI agents from joe-market-data.marnick-yezo.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Returns current Polymarket prediction market questions and odds for cryptocurrency-related markets
Price / call$0.001
Success—
StatusUnknown
How this service works
Public-data market intel for AI agents: token prices (CoinGecko), DefiLlama TVL/fees/stables, Polymarket odds. Otto-compatible path names. $0.001 USDC per call on Base. No LLM/TTS/image.
Output
Returns a JSON object with status 'success', a meta block showing the data source ('polymarket'), the endpoint path, and the cost per call ($0.001 USDC), plus a data block containing a count of active crypto prediction markets and an array of market objects each with a question string and an odds array.
Example use cases
Bitcoin price prediction market check
“What's the current Polymarket probability that Bitcoin goes above 100k? Show me all the active crypto price prediction markets.”
Crypto event betting sentiment tracker
“I want to know what prediction markets exist on Polymarket for Ethereum and major crypto events — what are people betting on and what are the odds?”
Agent market intelligence briefing
“Give me a summary of the active Polymarket crypto markets right now — how many are there, what questions are being asked, and what are the odds?”
Technical details
Endpoint
GEThttps://joe-market-data.marnick-yezo.workers.dev/pm-cryptoWhen to prefer
Choose this endpoint when you need real-time prediction market sentiment and odds specifically for cryptocurrency-related questions from Polymarket, as part of a broader market intelligence stack. Prefer it over general crypto price feeds when you want crowd-sourced probability estimates on future events (e.g., 'will BTC hit 100k?') rather than spot prices. It is especially useful for AI agents needing lightweight, micropayment-gated access to Polymarket crypto data without managing a full Polymarket API integration.
Side effects
- Payment not received: returns HTTP 402 if USDC micropayment on Base is not completed
- Polymarket API unavailable: upstream data source may be down causing empty or error response
- No active markets: data array may return empty if no crypto markets are currently live
- Malformed response: odds array may be empty for some markets if pricing data is not available
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"count": 10,
"markets": [
{
"odds": [],
"question": "Bitcoin above 100k?"
}
]
},
"meta": {
"source": "polymarket",
"endpoint": "/pm-crypto",
"cost_usdc": "0.001"
},
"status": "success"
}
}Tags
x402
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