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Predge On-Chain PM Flows — Polymarket Whale Activity
x402
Predge On-Chain PM Flows — Polymarket Whale Activity is a paid API for AI agents from api.predge.io, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).
Returns on-chain Polymarket whale trading flows for a rolling 24-hour window, including per-market volume, trade counts, and unique wallet activity on Polygon.
Price / call$0.02
Success—
StatusUnknown
How this service works
Real-time alerts on whale traders on Polymarket. Heuristic Insider Watch, wallet scoring 0–100, Bloomberg-style web terminal. Free plan included.
Output
A JSON payload containing: chain identifier (polygon), platform (polymarket), a 24-hour window start/end timestamps, total trade count, total volume in USD, unique wallet count across all markets, per-market breakdown with YES USD volume, NO USD volume, net USD, trade count, and unique wallets per market condition ID, plus human-readable market titles. The response includes a cryptographic ed25519 attestation signature over sorted canonical JSON, allowing verification of data integrity.
Example use cases
Whale activity before Fed decision
“Show me the Predge whale flow data for Polymarket right now — specifically which markets tied to Federal Reserve rate decisions are seeing the most whale money move, and what's the net YES vs NO position in USD over the last 24 hours.”
Crypto trader monitoring dashboard
“I'm building a dashboard that tracks large traders on Polymarket — pull the current on-chain PM flow data from Predge including per-market trade counts, unique whale wallets, and total volume so I can display it in real time.”
Automated prediction market edge detection
“Every hour, fetch the Predge on-chain Polymarket whale flow snapshot and flag any market where net whale USD swings more than $50,000 in one direction — I want to know when insiders are loading up on YES or NO positions.”
Technical details
Endpoint
GEThttps://api.predge.io/v1/onchain/pm-flowsWhen to prefer
Choose this endpoint when you need real-time, cryptographically attested on-chain Polymarket whale flow data aggregated by market — especially when you need YES/NO volume splits, wallet-level aggregation, and verifiable data provenance. Prefer this over general crypto flow APIs when your use case is specifically prediction market intelligence on Polymarket/Polygon.
Side effects
- No matching whale activity in the window returns empty markets array
- Invalid properties filter returns 400 or empty result
- Payment failure (insufficient USDC balance) returns 402
- Polygon RPC downtime may cause stale or delayed data
- Signature verification failure indicates tampered response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"chain": "polygon",
"scope": "polymarket-whale on-chain activity (prediction-market trades only, not general crypto flows)",
"platform": "polymarket",
"attestation": {
"kind": "onchain-flows",
"payload": {
"kind": "onchain-flows",
"chain": "polygon",
"markets": [
{
"no_usd": "122000.00",
"trades": 14,
"net_usd": "168000.00",
"yes_usd": "290000.00",
"condition_id": "0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39",
"unique_wallets": 9
}
],
"platform": "polymarket",
"issued_at": "2026-08-02T10:00:00.000Z",
"window_end": "2026-08-02T09:45:00.000Z",
"trades_count": 87,
"window_hours": 24,
"window_start": "2026-08-01T09:45:00.000Z",
"unique_wallets": 41,
"total_volume_usd": "2310000.00"
},
"algorithm": "ed25519",
"canonical": "{…keys sorted, no whitespace…}",
"signature": "3a1f…64-byte-hex…9c",
"public_key": "d75a9807...c7e2a1"
},
"markets_meta": {
"0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39": {
"title": "Will the Fed cut rates in September?"
}
},
"window_hours": 24
}
}Tags
x402
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