curl --request GET \
  --url 'https://api.coinstats.app/v1/prediction/volume/polymarket' \
  --header 'X-API-KEY: <api-key>'

import requests

url = "https://api.coinstats.app/v1/prediction/volume/polymarket"

headers = {"X-API-KEY": "<api-key>"}

response = requests.request("GET", url, headers=headers)

print(response.json())

const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};

fetch('https://api.coinstats.app/v1/prediction/volume/polymarket', options)
  .then((response) => response.json())
  .then((response) => console.log(response))
  .catch((err) => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.coinstats.app/v1/prediction/volume/polymarket",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-KEY: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {

	url := "https://api.coinstats.app/v1/prediction/volume/polymarket"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-KEY", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))
}

HttpResponse<String> response = Unirest.get("https://api.coinstats.app/v1/prediction/volume/polymarket")
  .header("X-API-KEY", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.coinstats.app/v1/prediction/volume/{venue}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<api-key>'

response = http.request(request)
puts response.read_body

{
  "success": true,
  "timestamp": "2025-06-19T12:00:00.000Z",
  "data": {
    "venue": "kalshi",
    "coverage": "complete",
    "markets": 402115,
    "volume": 2350000000,
    "volume24hr": 55000000,
    "computing": false,
    "computedAt": "2023-11-07T05:31:56Z",
    "coverageNote": "open markets"
  }
}

{
  "statusCode": 400,
  "message": "Bad Request",
  "requestId": "11111111-2222-3333-4444-555555555555",
  "path": "<requested-endpoint>"
}

{
  "statusCode": 401,
  "message": "Unauthorized",
  "requestId": "11111111-2222-3333-4444-555555555555",
  "path": "<requested-endpoint>"
}

{
  "statusCode": 403,
  "message": "Forbidden",
  "requestId": "11111111-2222-3333-4444-555555555555",
  "path": "<requested-endpoint>"
}

{
  "statusCode": 404,
  "message": "Not Found",
  "requestId": "11111111-2222-3333-4444-555555555555",
  "path": "<requested-endpoint>"
}

{
  "statusCode": 409,
  "message": "Transactions not synced",
  "requestId": "11111111-2222-3333-4444-555555555555",
  "path": "<requested-endpoint>"
}

{
  "statusCode": 429,
  "message": "Rate limit exceeded",
  "requestId": "11111111-2222-3333-4444-555555555555",
  "path": "<requested-endpoint>"
}

{
  "statusCode": 503,
  "message": "Service Unavailable. Please Contact Support"
}