List Polymarket market holders

Try in Playground

List the largest holders of each outcome of a market with their share balances and public profiles. Set a minimum balance and page with the returned cursor.

GET/v1/polymarket/holdersx-api-key

Headers

Get your API key

x-api-keystringrequiredheader

Your ScrapeAtlas customer key. Create one on /account/ and set SCRAPEATLAS_API_KEY.

Query parameters

marketstringrequiredquery

Required. Market slug, numeric market ID, condition ID (0x plus 64 hex characters), or a polymarket.com/event/<event>/<market> or /market/<slug> URL. An event URL without a market segment selects the single market that shares the event slug.

min 1 chars · max 600 chars

Exampleexample-candidate-wins-2028

limitstringquery

Holders per outcome, 1–100; defaults to 20.

Example20

minBalancestringquery

Minimum balance in shares.

cursorstringquery

Optional nextCursor from the previous response. Send the same other parameters with it; omit it for the first page.

Response fields

requestIdstring

Request correlation UUID.

Upstream requests, decoded response bytes and elapsed milliseconds.

accounting.upstreamRequestsinteger

Always included.

≥ 0

accounting.responseBytesinteger

Always included.

≥ 0

accounting.durationMsnumber

Always included.

≥ 0

successboolean

True when usable data is returned; inspect status and coverage for omissions.

statusenum

success, partial, failed or challenged. HTTP 200 can be partial.

one of: success, partial

sourceUrlstring

Public Polymarket page the data describes, or the public API URL when no page exists (an order book or price history requested by token ID).

absolute HTTPS URL

fetchedAtstring

UTC retrieval time.

complete is false when a warning names an omission, such as market_limit, level_limit, point_limit, comment_row_limit or stats_unavailable.

coverage.sourcestring

Always included.

coverage.completeboolean

Always included.

coverage.warningsstring[]

Always included.

conditionIdstring

Condition ID of the market.

One entry per outcome token: token_id and holders, largest first.

up to 20 items

tokens.token_idstring

Always included.

up to 1000 items

tokens.holders.proxy_walletstring

Always included.

tokens.holders.token_idstring

Always included.

tokens.holders.outcome_indexinteger

Always included.

tokens.holders.amountnumber

Always included.

tokens.holders.namestring

Always included.

tokens.holders.pseudonymstring

Always included.

tokens.holders.biostring

Always included.

tokens.holders.profile_imagestring

Always included.

tokens.holders.profile_image_optimizedstring

Always included.

tokens.holders.display_username_publicboolean

Always included.

tokens.holders.verifiedboolean

Always included.

nextCursorstringnullable

Cursor for the next page, or null when the source has no further page.

HTTP 200 returns the success variant. Check status: partial means usable data with warnings, and failed or challenged requests carry a failure object described in Errors & responses.

Error codes

HTTP	failure.code	Meaning
200	`partial`	Usable data with level_limit, point_limit, market_limit, comment_row_limit or *_unavailable warnings.
400	`invalid_request`	Missing, duplicate, conflicting, unsafe or unsupported parameters, a URL outside polymarket.com, or a cursor the source rejects.
401	`unauthorized`	Missing or invalid worker API key.
404	`not_found`	Unknown event, market, outcome, token, series, handle or wallet.
429	`upstream_rate_limited`	Polymarket throttled the request; no automatic retry.
502	`upstream_challenged`	Polymarket rejected the request or answered with a challenge page.
502	`unsupported_page`	Malformed, mismatched or non-JSON source data, or a profile page without its wallet address.
502	`response_too_large` `payload_too_complex`	Response exceeded byte or parsing limits.
502	`unsafe_redirect` `request_limit` `upstream_error`	Bounded source retrieval could not complete.
503	`busy`	All worker slots and queue places are occupied.
504	`timeout`	Total request deadline expired.

Code example

curl "https://api.scrapeatlas.com/v1/polymarket/holders?market=example-candidate-wins-2028&limit=20" \
  -H "x-api-key: YOUR_API_KEY"

const response = await fetch(
  "https://api.scrapeatlas.com/v1/polymarket/holders?market=example-candidate-wins-2028&limit=20",
  {
    headers: {
      "x-api-key": "YOUR_API_KEY"
    }
  }
);

const data = await response.json();
console.log(data.status, data);

type Result = {
  status: "success" | "partial" | "failed" | "challenged";
  requestId: string;
  [field: string]: unknown;
};

const response = await fetch(
  "https://api.scrapeatlas.com/v1/polymarket/holders?market=example-candidate-wins-2028&limit=20",
  {
    headers: {
      "x-api-key": process.env.SCRAPEATLAS_API_KEY!
    }
  }
);

const data = (await response.json()) as Result;
if (data.status === "failed" || data.status === "challenged") {
  throw new Error(`Polymarket request failed: ${data.requestId}`);
}
console.log(data);

import requests

response = requests.get(
    "https://api.scrapeatlas.com/v1/polymarket/holders",
    headers={"x-api-key": "YOUR_API_KEY"},
    params={
        "market": "example-candidate-wins-2028",
        "limit": "20"
    },
    timeout=60,
)
data = response.json()
print(data["status"], data)

package main

import (
	"encoding/json"
	"fmt"
	"net/http"
)

func main() {
	req, _ := http.NewRequest("GET", "https://api.scrapeatlas.com/v1/polymarket/holders?market=example-candidate-wins-2028&limit=20", nil)
	req.Header.Set("x-api-key", "YOUR_API_KEY")
	resp, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()

	var data map[string]interface{}
	json.NewDecoder(resp.Body).Decode(&data)
	fmt.Println(data["status"], data)
}

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        var client = HttpClient.newHttpClient();
        var request = HttpRequest.newBuilder()
            .uri(URI.create("https://api.scrapeatlas.com/v1/polymarket/holders?market=example-candidate-wins-2028&limit=20"))
            .GET()
            .header("x-api-key", "YOUR_API_KEY")
            .build();
        var response = client.send(request, HttpResponse.BodyHandlers.ofString());
        System.out.println(response.body());
    }
}

Use your sa_live_… customer key at https://api.scrapeatlas.com.

Responses

Successful result. Synthetic example validated against the runtime contract.

{
  "success": true,
  "status": "success",
  "requestId": "00000000-0000-4000-8000-000000000001",
  "sourceUrl": "https://polymarket.com/event/presidential-election-winner-2028/example-candidate-wins-2028",
  "fetchedAt": "2026-10-13T00:00:00.000Z",
  "coverage": {
    "source": "public_api",
    "complete": true,
    "warnings": []
  },
  "accounting": {
    "upstreamRequests": 2,
    "responseBytes": 4301,
    "durationMs": 339
  },
  "conditionId": "0x3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a",
  "tokens": [
    {
      "token_id": "714600000000000000000000000000000000000000000000000000000000000000000000001001",
      "holders": [
        {
          "proxy_wallet": "0x1111111111111111111111111111111111111111",
          "token_id": "714600000000000000000000000000000000000000000000000000000000000000000000001001",
          "outcome_index": 0,
          "amount": 833332.47,
          "name": "example",
          "pseudonym": "Example-Trader",
          "bio": "",
          "profile_image": "",
          "profile_image_optimized": "",
          "display_username_public": true,
          "verified": false
        }
      ]
    },
    {
      "token_id": "714600000000000000000000000000000000000000000000000000000000000000000000002002",
      "holders": [
        {
          "proxy_wallet": "0x1111111111111111111111111111111111111111",
          "token_id": "714600000000000000000000000000000000000000000000000000000000000000000000002002",
          "outcome_index": 1,
          "amount": 120500.5,
          "name": "example",
          "pseudonym": "Example-Trader",
          "bio": "",
          "profile_image": "",
          "profile_image_optimized": "",
          "display_username_public": true,
          "verified": false
        }
      ]
    }
  ],
  "nextCursor": "eyJkYXRhIjp7InR5cGUiOiJ0cmFkZXMifX0"
}

Missing, duplicate, conflicting, unsafe or unsupported parameters, a URL outside polymarket.com, or a cursor the source rejects.

{
  "requestId": "9d2f1c0a-6b1e-4c7d-9a8e-2f3b4c5d6e7f",
  "accounting": {
    "upstreamRequests": 0,
    "responseBytes": 0,
    "durationMs": 0
  },
  "success": false,
  "status": "failed",
  "failure": {
    "code": "invalid_request",
    "message": "Invalid request: missing, duplicate, unsupported or malformed parameters."
  }
}