// First-party cookie auth: this runs in a signed-in trdrs session, not under an API key.
const res = await fetch('https://app.trdrs.co/api/operator/venues/{venueId}/hedges/calculate', {
  method: 'POST',
  headers: {
    'content-type': 'application/json',
    "Idempotency-Key": "example-request-1",
  },
  credentials: 'include',
  body: JSON.stringify({
    "groupId": "standard",
    "instrumentId": "BINANCE:BTCUSDT",
    "markPrice": "65000",
    "markObservedAt": "2026-09-14T12:00:00.000Z",
    "dryRun": true
  }),
})
const data = await res.json()

curl -X POST 'https://app.trdrs.co/api/operator/venues/{venueId}/hedges/calculate' \
  -b "session=$TRDRS_SESSION" \
  -H 'Idempotency-Key: example-request-1' \
  -H 'content-type: application/json' \
  -d '{"groupId":"standard","instrumentId":"BINANCE:BTCUSDT","markPrice":"65000","markObservedAt":"2026-09-14T12:00:00.000Z","dryRun":true}'

import requests

url = "https://app.trdrs.co/api/operator/venues/{venueId}/hedges/calculate"

payload = {
    "groupId": "standard",
    "instrumentId": "BINANCE:BTCUSDT",
    "markPrice": "65000",
    "markObservedAt": "2026-09-14T12:00:00.000Z",
    "dryRun": True
}
headers = {
    "cookie": "session=",
    "Idempotency-Key": "<idempotency-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://app.trdrs.co/api/operator/venues/{venueId}/hedges/calculate",
  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([
    'groupId' => 'standard',
    'instrumentId' => 'BINANCE:BTCUSDT',
    'markPrice' => '65000',
    'markObservedAt' => '2026-09-14T12:00:00.000Z',
    'dryRun' => true
  ]),
  CURLOPT_COOKIE => "session=",
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://app.trdrs.co/api/operator/venues/{venueId}/hedges/calculate"

	payload := strings.NewReader("{\n  \"groupId\": \"standard\",\n  \"instrumentId\": \"BINANCE:BTCUSDT\",\n  \"markPrice\": \"65000\",\n  \"markObservedAt\": \"2026-09-14T12:00:00.000Z\",\n  \"dryRun\": true\n}")

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

	req.Header.Add("cookie", "session=")
	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	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://app.trdrs.co/api/operator/venues/{venueId}/hedges/calculate")
  .header("cookie", "session=")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"groupId\": \"standard\",\n  \"instrumentId\": \"BINANCE:BTCUSDT\",\n  \"markPrice\": \"65000\",\n  \"markObservedAt\": \"2026-09-14T12:00:00.000Z\",\n  \"dryRun\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.trdrs.co/api/operator/venues/{venueId}/hedges/calculate")

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

request = Net::HTTP::Post.new(url)
request["cookie"] = 'session='
request["Idempotency-Key"] = '<idempotency-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"groupId\": \"standard\",\n  \"instrumentId\": \"BINANCE:BTCUSDT\",\n  \"markPrice\": \"65000\",\n  \"markObservedAt\": \"2026-09-14T12:00:00.000Z\",\n  \"dryRun\": true\n}"

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

{
  "target": {
    "id": "00000000-0000-0000-0000-000000000001",
    "sourceQuantity": "1",
    "targetQuantity": "1",
    "confirmedQuantity": "0",
    "pendingQuantity": "1",
    "residualQuantity": "0"
  },
  "intent": {
    "id": "00000000-0000-0000-0000-000000000001",
    "state": "prepared",
    "deltaQuantity": "1"
  }
}

{
  "error": "invalid_instrument"
}

{
  "error": "invalid_instrument"
}

{
  "error": "invalid_instrument"
}

{
  "error": "invalid_instrument"
}

{
  "error": "invalid_instrument"
}

{
  "error": "invalid_instrument"
}

{
  "error": "invalid_instrument"
}

{
  "error": "invalid_instrument"
}