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Nansen Prediction Market Top Holders
x402
Nansen Prediction Market Top Holders is a paid API for AI agents from api.nansen.ai, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Returns the largest position holders for a Polymarket prediction market, computed from on-chain data with Nansen wallet labels and smart money analytics.
Price / call$0.05
Success—
StatusUnknown
How this service works
Get Prediction Market Top Holders
Output
A ranked list of the largest position holders in the specified Polymarket prediction market, including wallet addresses, position sizes computed from on-chain data, and Nansen entity labels identifying smart money, institutions, or notable wallets where available.
Example use cases
Example prompt
“Who are the top holders in the Polymarket prediction market for the 2024 US election — show me the biggest positions with any Nansen wallet labels or smart money flags.”
Technical details
Endpoint
GEThttps://api.nansen.ai/api/v1/prediction-market/top-holdersWhen to prefer
Use this endpoint when you need to identify the dominant position holders in a specific Polymarket prediction market with enriched wallet intelligence (Nansen labels, smart money flags). Prefer this over generic on-chain queries when wallet entity labeling and ranking by position size is needed in one call.
Side effects
- Invalid or unknown market ID returns an error or empty result
- Market not indexed by Nansen returns no data
- Malformed POST body causes 400 bad request
- Rate limit or authentication failure returns 401/429
- Very new markets may have incomplete on-chain data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| sort | — | Deprecated: use 'order_by' instead. |
| order_by | — | Sort order |
| market_idrequired | string | Polymarket market ID |
| pagination | object | Pagination parameters for API requests. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| datarequired | array | List of top holder records |
| pagination | object | Pagination information for API responses. |
Tags
x402
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