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Polymarket Real-Time Trade Stream with Market Summaries
x402
Polymarket Real-Time Trade Stream with Market Summaries is a paid API for AI agents from polynews.news, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Returns a rolling 2-hour real-time stream of Polymarket trades ($500+ in value) with market-level summaries and price/volume data
Price / call$0.001
Success—
StatusUnknown
How this service works
Real-time trade stream with market summaries (2hr rolling window, $500+ trades)
Output
A JSON object containing an array of recent trades (each with side, price, amount, market ID, and timestamp) and an array of market summaries, covering trades above $500 in a 2-hour rolling window.
Example use cases
Monitor high-value election prediction trades
“What are the biggest trades happening right now on Polymarket election markets? Show me the last 2 hours of $500+ trades so I can see where the smart money is moving.”
Track real-time crypto market sentiment shifts
“Stream me the latest high-value trades on crypto prediction markets for the next hour — I need to watch the trade flow and volume to spot sentiment changes as they happen.”
Alert on unusual trading activity spikes
“Give me a rolling feed of Polymarket trades above $500 from the last 2 hours and flag any markets where trading volume suddenly surged. Show me the market summaries too so I understand what's driving the action.”
Technical details
Endpoint
GEThttps://polynews.news/api/v1/feedWhen to prefer
Use this endpoint when you need raw, real-time trade-level data from Polymarket with a 2-hour rolling window focused on significant trades ($500+). Prefer this over market context or news endpoints when you want pure trade flow and volume data rather than AI-generated analysis or news correlation.
Side effects
- No trades available if market activity is low in the rolling window
- Invalid limit or minValue query parameter types return schema validation errors
- Payment failure (402) if USDC micropayment is not completed via x402 protocol
- Empty trades array if no trades exceed the specified minValue threshold
- Timeout or stale data if upstream Polymarket data source is unavailable
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"limit": "10",
"minValue": "500"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"data": {
"trades": [],
"summary": {
"pollCount": 0,
"newestTimestamp": 1781561922,
"oldestTimestamp": 1781561274,
"totalAccumulated": 43,
"accumulatorUptime": 15
},
"marketSummaries": []
},
"meta": {
"tier": "standard",
"version": "v1",
"endpoint": "/api/v1/feed",
"latencyMs": 15104,
"timestamp": "2026-06-16T01:02:26.654Z"
}
}Schema · Response
{
"type": "json",
"example": {
"data": {
"trades": [
{
"side": "BUY",
"price": 0.32,
"amount": 2400,
"market": "Democratic Presidential Nominee 2028",
"wallet": "0xa1b2...c3d4",
"outcome": "Gavin Newsom",
"valueUsd": 768,
"timestamp": 1747019400
}
],
"marketSummaries": [
{
"netFlow": 7100,
"marketId": "69317",
"buyVolume": 45200,
"sellVolume": 38100,
"tradeCount": 42
}
]
},
"meta": {
"tier": "standard",
"version": "v1",
"endpoint": "/api/v1/feed",
"latencyMs": 180,
"timestamp": "2026-05-12T04:30:00.000Z"
}
}
}Tags
x402
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