Request a bounded Kalshi perpetual historical download by date range

curl --request POST \
  --url https://quantura.studio/api/market-data/perps/history \
  --header 'Content-Type: application/json' \
  --data '
{
  "symbol": "KXBTCPERP",
  "frequency": "1h",
  "limit": 500,
  "format": "json"
}
'

import requests

url = "https://quantura.studio/api/market-data/perps/history"

payload = {
    "symbol": "KXBTCPERP",
    "frequency": "1h",
    "limit": 500,
    "format": "json"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({symbol: 'KXBTCPERP', frequency: '1h', limit: 500, format: 'json'})
};

fetch('https://quantura.studio/api/market-data/perps/history', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://quantura.studio/api/market-data/perps/history",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'symbol' => 'KXBTCPERP',
    'frequency' => '1h',
    'limit' => 500,
    'format' => 'json'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://quantura.studio/api/market-data/perps/history"

	payload := strings.NewReader("{\n  \"symbol\": \"KXBTCPERP\",\n  \"frequency\": \"1h\",\n  \"limit\": 500,\n  \"format\": \"json\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://quantura.studio/api/market-data/perps/history")
  .header("Content-Type", "application/json")
  .body("{\n  \"symbol\": \"KXBTCPERP\",\n  \"frequency\": \"1h\",\n  \"limit\": 500,\n  \"format\": \"json\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://quantura.studio/api/market-data/perps/history")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"symbol\": \"KXBTCPERP\",\n  \"frequency\": \"1h\",\n  \"limit\": 500,\n  \"format\": \"json\"\n}"

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

{
  "ok": true,
  "provider": "kalshi_perps",
  "symbol": "KXBTCPERP",
  "frequency": "1min",
  "rows": [
    {
      "timestamp": "2026-09-20T12:01:00Z",
      "open": 81000,
      "high": 82000,
      "low": 80500,
      "close": 81500,
      "volume": 100
    }
  ],
  "count": 1,
  "metadata": {
    "field": "price.close / (contract_size * underlying_multiplier)",
    "provider_field": "price.close",
    "units": "USD per underlying unit",
    "contract_size": 0.0001,
    "underlying_multiplier": 1,
    "timezone": "UTC",
    "timestamp_convention": "end_period_ts",
    "missing_intervals": "not_filled",
    "redistribution_status": "review_required"
  },
  "warnings": []
}

{
  "error": "perps_provider_unavailable",
  "message": "Perpetual history is unavailable. No substitute prices were returned."
}

{
  "error": "perps_provider_unavailable",
  "message": "Perpetual history is unavailable. No substitute prices were returned."
}

{
  "error": "perps_provider_unavailable",
  "message": "Perpetual history is unavailable. No substitute prices were returned."
}