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Polymarket Biggest Movers
x402
Polymarket Biggest Movers is a paid API for AI agents from md.fastdb.in, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Returns Polymarket prediction markets with the largest 24-hour odds swings, filtered to liquid markets only.
Price / call$0.001
Success—
StatusUnknown
How this service works
Polymarket biggest movers — prediction markets with the largest 24h odds swings, filtered to liquid markets.
Output
A ranked list of liquid Polymarket prediction markets with the largest 24-hour odds movements, including market names, slugs, current outcome prices, and the magnitude of the odds change over the past 24 hours.
Example use cases
Morning prediction market briefing
“Give me a rundown of which Polymarket prediction markets have moved the most in the last 24 hours — I want to see what's swinging hard this morning.”
Spotting arbitrage or sentiment shifts
“Which liquid prediction markets on Polymarket are showing the biggest odds changes today? I want to catch any major sentiment shifts before they stabilize.”
Automated trading signal detection
“Pull the Polymarket biggest movers for today so I can see if any of my tracked markets are experiencing unusual 24-hour odds swings.”
Technical details
Endpoint
POSThttps://md.fastdb.in/pulse/moversWhen to prefer
Use this endpoint when you want a curated, pre-filtered feed of the most active Polymarket prediction markets by odds movement — ideal for daily briefings, trading signal detection, or monitoring sentiment shifts — rather than querying a specific known market by slug or keyword.
Side effects
- Polymarket API unavailable — returns error or empty list
- No liquid markets with significant moves — returns empty or minimal results
- Network timeout on the upstream Polymarket data fetch
- Malformed POST body returns validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"movers": [
{
"prices": [
0.495,
0.505
],
"question": "Will France win on 2026-07-18?",
"volume24h": 800800,
"oneDayPriceChange": -0.11
}
],
"source": "polymarket",
"minVolume24h": 10000
}
}Tags
x402
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