---
title: "Get Prediction Market Top Holders"
method: POST
path: "/api/v1/prediction-market/top-holders"
tags: ["Prediction Markets"]
---

# Get Prediction Market Top Holders

`POST /api/v1/prediction-market/top-holders`

Get the largest position holders for a Polymarket prediction market. Positions are
computed from on-chain ERC-1155 token transfers on Polygon, with SAFE proxy wallet
resolution to identify actual users.

**What it helps to answer:**

1. **Who are the biggest holders in this prediction market?**
2. **What are the position sizes and entry prices of top holders?**
3. **What is the unrealized PnL of major positions?**
4. **Are whales positioned Yes or No?**

## Request body

- TopHoldersRequest — Request for top holders endpoint.
  - `market_id` string, required — Polymarket market ID
  - `pagination` PaginationRequest — Pagination parameters for API requests.
    - `page` integer — Page number (1-based)
    - `per_page` integer — Number of records per page (max 1000)
  - `order_by` SortOrderTopHolderSortField[] — Sort order
    - `field` 'position_size' | 'unrealized_pnl_usd' | 'avg_entry_price', required — Sortable fields for top holders endpoint.
    - `direction` 'ASC' | 'DESC', required — Enum for sort directions.
  - `sort` SortOrderTopHolderSortField[] — Deprecated: use 'order_by' instead.
    - `field` 'position_size' | 'unrealized_pnl_usd' | 'avg_entry_price', required — Sortable fields for top holders endpoint.
    - `direction` 'ASC' | 'DESC', required — Enum for sort directions.

## Response `200`

Top holder data

- TopHoldersResponse — Response for top holders endpoint.
  - `pagination` PaginationInfo — Pagination information for API responses.
    - `page` integer — Current page number
    - `per_page` integer — Number of records per page
    - `is_last_page` boolean — Whether this is the last page
  - `data` TopHolder[], required — List of top holder records
    - `market_id` string, required — Market ID
    - `outcome_index` integer — Outcome index
    - `address` string — Holder address (hex)
    - `owner_address` string — SAFE proxy owner address (hex)
    - `side` string — Side held (Yes/No)
    - `position_size` number — Token position size
    - `avg_entry_price` number — Average entry price
    - `current_price` number — Current price
    - `unrealized_pnl_usd` number — Unrealized PnL in USD

## Other responses

- `400` — Bad Request - Invalid request parameters or malformed request
- `401` — Authentication error - No API key found in request
- `402` — Payment Required - This endpoint supports pay-per-request via x402 and MPP. x402 responses advertise payment options in `Payment-Required`; MPP responses advertise a fresh `WWW-Authenticate: Payment ...` challenge. Successful MPP responses may include `Payment-Receipt`.
- `403` — Forbidden - User does not have required subscription tier or has exceeded credit limit
- `404` — Not Found - The requested resource was not found
- `422` — Validation error - Invalid request parameters
- `429` — Too Many Requests - Rate limit exceeded
- `500` — Internal Server Error - An unexpected error occurred

---

[API](https://skmtc.net/nansen/apis/nansen-api.md) · [All operations](https://skmtc.net/nansen/apis/nansen-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/nansen/nansen-api/versions/02a4d2e7d827/schema)